diff --git a/app/assets/javascripts/admin/abuse_report/components/notes/abuse_report_note.vue b/app/assets/javascripts/admin/abuse_report/components/notes/abuse_report_note.vue
index 4423eb9e7b259a9036aae0d273c1136e89d1ca6a..61d1baf75b16b2aefd793841eb8cbfda39a0e5b5 100644
--- a/app/assets/javascripts/admin/abuse_report/components/notes/abuse_report_note.vue
+++ b/app/assets/javascripts/admin/abuse_report/components/notes/abuse_report_note.vue
@@ -103,6 +103,7 @@ export default {
             :created-at="note.createdAt"
             :note-id="note.id"
             :note-url="note.url"
+            :imported="note.imported"
           >
             <span v-if="note.createdAt" class="d-none d-sm-inline">&middot;</span>
           </note-header>
diff --git a/app/assets/javascripts/design_management/components/design_destroyer.vue b/app/assets/javascripts/design_management/components/design_destroyer.vue
index 0178111f651b2bad16a98867bf7bec1d923bfb76..e1824b725465c177800dd3c2c1904807e96fc7fc 100644
--- a/app/assets/javascripts/design_management/components/design_destroyer.vue
+++ b/app/assets/javascripts/design_management/components/design_destroyer.vue
@@ -22,6 +22,11 @@ export default {
       type: Array,
       required: true,
     },
+    imported: {
+      type: Boolean,
+      required: false,
+      default: false,
+    }
   },
   computed: {
     projectQueryBody() {
diff --git a/app/assets/javascripts/design_management/components/design_notes/design_note.vue b/app/assets/javascripts/design_management/components/design_notes/design_note.vue
index 38081c99e72af05ab0206a0015f7c0b91443d6e1..2faa968b8bfa0aa09c37c289b6ea4af56406dfaa 100644
--- a/app/assets/javascripts/design_management/components/design_notes/design_note.vue
+++ b/app/assets/javascripts/design_management/components/design_notes/design_note.vue
@@ -299,6 +299,7 @@ export default {
           >
             <time-ago-tooltip :time="note.createdAt" tooltip-placement="bottom" />
           </gl-link>
+          <span v-if="note.imported">imported</span>
         </span>
       </div>
       <div class="gl-display-flex gl-align-items-flex-start gl-mt-n2 gl-mr-n2">
diff --git a/app/assets/javascripts/design_management/components/toolbar/index.vue b/app/assets/javascripts/design_management/components/toolbar/index.vue
index 45c04b80a2da39dd2cacfefb5fc405b715ea1dac..0972aa827d20eaafe4937bc4e20e0e273805aaf7 100644
--- a/app/assets/javascripts/design_management/components/toolbar/index.vue
+++ b/app/assets/javascripts/design_management/components/toolbar/index.vue
@@ -71,6 +71,11 @@ export default {
       required: false,
       default: '',
     },
+    imported: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
     isLoading: {
       type: Boolean,
       required: true,
@@ -142,6 +147,7 @@ export default {
           </span>
           <gl-icon name="chevron-right" class="gl-text-gray-200 gl-flex-shrink-0" />
           <span class="gl-text-truncate gl-font-weight-normal">{{ filename }}</span>
+          <span v-if="imported">imported</span>
         </h2>
         <small v-if="updatedAt" class="gl-text-gray-500">{{ updatedText }}</small>
       </div>
diff --git a/app/assets/javascripts/design_management/graphql/fragments/design.fragment.graphql b/app/assets/javascripts/design_management/graphql/fragments/design.fragment.graphql
index 4b1703e41c34cf0b64912a6cdde324e2f4df861d..47ea165470f3d2568141265179a8a27c918e75ac 100644
--- a/app/assets/javascripts/design_management/graphql/fragments/design.fragment.graphql
+++ b/app/assets/javascripts/design_management/graphql/fragments/design.fragment.graphql
@@ -6,6 +6,7 @@
 fragment DesignItem on Design {
   ...DesignListItem
   fullPath
+  imported
   diffRefs {
     ...DesignDiffRefs
   }
diff --git a/app/assets/javascripts/design_management/graphql/fragments/design_note.fragment.graphql b/app/assets/javascripts/design_management/graphql/fragments/design_note.fragment.graphql
index 9af4733d5dc06db36c8d48bf6fe53d3e00979748..de1ce702f21c31259926a3a843fe4769effa55be 100644
--- a/app/assets/javascripts/design_management/graphql/fragments/design_note.fragment.graphql
+++ b/app/assets/javascripts/design_management/graphql/fragments/design_note.fragment.graphql
@@ -11,6 +11,7 @@ fragment DesignNote on Note {
   bodyHtml
   createdAt
   resolved
+  imported
   awardEmoji {
     nodes {
       name
diff --git a/app/assets/javascripts/design_management/pages/design/index.vue b/app/assets/javascripts/design_management/pages/design/index.vue
index 0caed73a44ab9b7603349ffc76380a7c207946b9..81f01e9a16d622c61caaa70513aaedd2511a4b69 100644
--- a/app/assets/javascripts/design_management/pages/design/index.vue
+++ b/app/assets/javascripts/design_management/pages/design/index.vue
@@ -344,6 +344,7 @@ export default {
           design.filename,
         ] /* eslint-enable @gitlab/vue-no-new-non-primitive-in-template */"
         :project-path="projectPath"
+        :impoted="design.imported"
         :iid="issueIid"
         @done="$router.push({ name: $options.DESIGNS_ROUTE_NAME })"
         @error="onDesignDeleteError"
diff --git a/app/assets/javascripts/issues/show/components/app.vue b/app/assets/javascripts/issues/show/components/app.vue
index 27646df506b94bfc1d22c2726e72403e1e35877c..a0e8be3cd145d423c77ecbf940a0c35b9902ab91 100644
--- a/app/assets/javascripts/issues/show/components/app.vue
+++ b/app/assets/javascripts/issues/show/components/app.vue
@@ -221,6 +221,11 @@ export default {
       required: false,
       default: '',
     },
+    imported: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
   },
   data() {
     return {
@@ -556,6 +561,7 @@ export default {
         :issuable-type="issuableType"
         :show="isStickyHeaderShowing"
         :title="state.titleText"
+        :imported="imported"
         @hide="hideStickyHeader"
         @show="showStickyHeader"
       />
@@ -576,6 +582,7 @@ export default {
           :moved-to-issue-url="movedToIssueUrl"
           :promoted-to-epic-url="promotedToEpicUrl"
           :service-desk-reply-to="serviceDeskReplyTo"
+          :imported="imported"
         />
       </slot>
 
diff --git a/app/assets/javascripts/issues/show/components/issue_header.vue b/app/assets/javascripts/issues/show/components/issue_header.vue
index 96eb8fbb3c7240329106af5b48ff869b3c512b83..522d214b40828798b65e2d8eeae439cacdb15302 100644
--- a/app/assets/javascripts/issues/show/components/issue_header.vue
+++ b/app/assets/javascripts/issues/show/components/issue_header.vue
@@ -61,6 +61,11 @@ export default {
       required: false,
       default: '',
     },
+    imported: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
   },
   computed: {
     closedStatusLink() {
@@ -111,6 +116,7 @@ export default {
     show-work-item-type-icon
     :status-icon="statusIcon"
     :workspace-type="$options.WORKSPACE_PROJECT"
+    :imported="imported"
   >
     <template #status-badge>
       <gl-sprintf v-if="closedStatusLink" :message="statusText">
diff --git a/app/assets/javascripts/issues/show/components/sticky_header.vue b/app/assets/javascripts/issues/show/components/sticky_header.vue
index 18e37c4216ce355a08b552a945f82989840c6c13..356d9c3bba152997b944f57bc045173d4f4b52f8 100644
--- a/app/assets/javascripts/issues/show/components/sticky_header.vue
+++ b/app/assets/javascripts/issues/show/components/sticky_header.vue
@@ -49,6 +49,11 @@ export default {
       type: String,
       required: true,
     },
+    imported: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
   },
   computed: {
     isClosed() {
@@ -87,6 +92,7 @@ export default {
             :issuable-type="issuableType"
             :workspace-type="$options.WORKSPACE_PROJECT"
           />
+          <span v-if="imported">imported</span>
           <locked-badge v-if="isLocked" :issuable-type="issuableType" />
           <hidden-badge v-if="isHidden" :issuable-type="issuableType" />
           <gl-link
diff --git a/app/assets/javascripts/issues/show/index.js b/app/assets/javascripts/issues/show/index.js
index b1d8a245f5ef2f8da0aadbed755d4b73244dda95..1bed4c7e057f2c37dee71b237cf779d92bea3856 100644
--- a/app/assets/javascripts/issues/show/index.js
+++ b/app/assets/javascripts/issues/show/index.js
@@ -58,6 +58,7 @@ export function initIssuableApp(store) {
     projectId,
     slaFeatureAvailable,
     uploadMetricsFeatureAvailable,
+    imported,
   } = issuableData;
 
   const issueProvideData = { registerPath, signInPath };
diff --git a/app/assets/javascripts/merge_requests/components/sticky_header.vue b/app/assets/javascripts/merge_requests/components/sticky_header.vue
index 9c4a3ad2efa6ec45ba49f1a190a683bca3e1fae0..0d0dae8affd2a1dcb5676bcec0bb508dd3a3c190 100644
--- a/app/assets/javascripts/merge_requests/components/sticky_header.vue
+++ b/app/assets/javascripts/merge_requests/components/sticky_header.vue
@@ -79,6 +79,11 @@ export default {
       type: Array,
       required: true,
     },
+    imported: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
   },
   data() {
     return {
@@ -166,6 +171,7 @@ export default {
             :issuable-type="$options.TYPE_MERGE_REQUEST"
             :state="badgeState.state"
           />
+          <span v-if="imported">imported</span>
           <a
             v-safe-html:[$options.safeHtmlConfig]="titleHtml"
             href="#top"
diff --git a/app/assets/javascripts/notes/components/note_header.vue b/app/assets/javascripts/notes/components/note_header.vue
index 8ea95bdcb54efedbe65860467c26b24d5b2f5266..cc4665731ab2a35b70764458cc5cc6da4c587a34 100644
--- a/app/assets/javascripts/notes/components/note_header.vue
+++ b/app/assets/javascripts/notes/components/note_header.vue
@@ -52,6 +52,11 @@ export default {
       required: false,
       default: true,
     },
+    imported: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
     showSpinner: {
       type: Boolean,
       required: false,
@@ -234,6 +239,7 @@ export default {
         </a>
         <time-ago-tooltip v-else ref="noteTimestamp" :time="createdAt" tooltip-placement="bottom" />
       </template>
+      <span v-if="imported">imported</span>
       <gl-badge
         v-if="isInternalNote"
         v-gl-tooltip:tooltipcontainer.bottom
diff --git a/app/assets/javascripts/notes/components/noteable_note.vue b/app/assets/javascripts/notes/components/noteable_note.vue
index 540a9392c6abe9708a210185f14946c7562e4b78..5dc228007d9706a4ffafaa3d12c1ecd39873e134 100644
--- a/app/assets/javascripts/notes/components/noteable_note.vue
+++ b/app/assets/javascripts/notes/components/noteable_note.vue
@@ -488,6 +488,7 @@ export default {
           :is-internal-note="note.internal"
           :noteable-type="noteableType"
           :email-participant="note.external_author"
+          :imported="note.imported"
         >
           <template #note-header-info>
             <slot name="note-header-info"></slot>
@@ -518,6 +519,7 @@ export default {
           :is-draft="note.isDraft"
           :resolve-discussion="note.isDraft && note.resolve_discussion"
           :discussion-id="discussionId"
+          :imported="note.imported"
           :award-path="note.toggle_award_path"
           @handleEdit="editHandler"
           @handleDelete="deleteHandler"
diff --git a/app/assets/javascripts/pages/projects/merge_requests/page.js b/app/assets/javascripts/pages/projects/merge_requests/page.js
index 6114b6fe9d4d6481eeca03f471364d63e629ccf1..e9c99a9d5f53636c4f1582c323ca181b8ba2318d 100644
--- a/app/assets/javascripts/pages/projects/merge_requests/page.js
+++ b/app/assets/javascripts/pages/projects/merge_requests/page.js
@@ -51,6 +51,7 @@ requestIdleCallback(() => {
       isFluidLayout,
       sourceProjectPath,
       blocksMerge,
+      imported,
     } = JSON.parse(data);
 
     tabData.tabs = tabs;
@@ -72,6 +73,7 @@ requestIdleCallback(() => {
       render(h) {
         return h(StickyHeader, {
           props: {
+            imported: imported,
             tabs: tabData.tabs,
           },
         });
diff --git a/app/assets/javascripts/snippets/components/snippet_header.vue b/app/assets/javascripts/snippets/components/snippet_header.vue
index f639b64aeba845a962da7b55b9befafc577bb42d..048574f9ba7507bbb1c4934bd976fb36bb90b8b6 100644
--- a/app/assets/javascripts/snippets/components/snippet_header.vue
+++ b/app/assets/javascripts/snippets/components/snippet_header.vue
@@ -355,6 +355,7 @@ export default {
           <span class="gl-sr-only">{{ snippetVisibilityLevelDescription }}</span>
           <gl-icon :name="visibilityLevelIcon" :size="14" class="gl-relative gl-top-1" />
         </div>
+        <span v-if="snippet.imported">imported</span>
         <div data-testid="authored-message" class="gl-line-height-20">
           <gl-sprintf :message="authoredMessage">
             <template #timeago>
diff --git a/app/assets/javascripts/vue_shared/components/notes/system_note.vue b/app/assets/javascripts/vue_shared/components/notes/system_note.vue
index dbf3a7011a4d74f55c94f8c2d82054f9797f9203..026d026fc450369b23bf6fae919b3c9f629e5537 100644
--- a/app/assets/javascripts/vue_shared/components/notes/system_note.vue
+++ b/app/assets/javascripts/vue_shared/components/notes/system_note.vue
@@ -167,6 +167,7 @@ export default {
           :created-at="note.created_at"
           :note-id="note.id"
           :is-system-note="true"
+          :imported="note.imported"
         >
           <span ref="gfm-content" v-safe-html="actionTextHtml"></span>
           <template
diff --git a/app/assets/javascripts/vue_shared/issuable/show/components/issuable_header.vue b/app/assets/javascripts/vue_shared/issuable/show/components/issuable_header.vue
index 1b95a2abdf991c6afeb388901fba199fcb1bb443..13a0c0708d33c7ff8fb7a64c1f0d82b8ea72a0e0 100644
--- a/app/assets/javascripts/vue_shared/issuable/show/components/issuable_header.vue
+++ b/app/assets/javascripts/vue_shared/issuable/show/components/issuable_header.vue
@@ -95,6 +95,11 @@ export default {
       required: false,
       default: '',
     },
+    imported: {
+      type: Boolean,
+      required: false,
+      default: false,
+    }
   },
   computed: {
     badgeText() {
@@ -162,7 +167,9 @@ export default {
         <span class="gl-display-none gl-sm-display-block" :class="{ 'gl-ml-2': statusIcon }">
           <slot name="status-badge">{{ badgeText }}</slot>
         </span>
+
       </gl-badge>
+      <span v-if="imported">imported</span>
       <confidentiality-badge
         v-if="confidential"
         :issuable-type="issuableType"
diff --git a/app/graphql/queries/snippet/snippet.query.graphql b/app/graphql/queries/snippet/snippet.query.graphql
index 8a2b314b994be0af2c4d3180391194f957805b27..2f4b89b339966de188dc8c88a034c78679b641dc 100644
--- a/app/graphql/queries/snippet/snippet.query.graphql
+++ b/app/graphql/queries/snippet/snippet.query.graphql
@@ -14,6 +14,7 @@ query GetSnippetQuery($ids: [SnippetID!]) {
       httpUrlToRepo
       sshUrlToRepo
       hidden
+      imported
       blobs {
         __typename
         hasUnretrievableBlobs
diff --git a/app/graphql/types/design_management/design_type.rb b/app/graphql/types/design_management/design_type.rb
index d253ca8bfeabea8b556448788d0dd02467edbced..21136250891ebdbcf3d721d30f6ebef73ae87830 100644
--- a/app/graphql/types/design_management/design_type.rb
+++ b/app/graphql/types/design_management/design_type.rb
@@ -30,6 +30,11 @@ class DesignType < BaseObject
             resolver: Resolvers::DesignManagement::VersionsResolver,
             description: "All versions related to this design ordered newest first."
 
+      field :imported,
+            GraphQL::Types::Boolean,
+            null: false,
+            description: 'Indicates whether the design was imported.'
+
       markdown_field :description_html, null: true
 
       # Returns a `DesignManagement::Version` for this query based on the
diff --git a/app/graphql/types/notes/note_type.rb b/app/graphql/types/notes/note_type.rb
index 0f2a01d73901bca74c75031ee3abe06cecb9ced2..1a99c14562db1a5f361c950a313e28af315ccda3 100644
--- a/app/graphql/types/notes/note_type.rb
+++ b/app/graphql/types/notes/note_type.rb
@@ -95,6 +95,10 @@ class NoteType < BaseObject
         null: true,
         description: 'Metadata for the given note if it is a system note.'
 
+      field :imported, GraphQL::Types::Boolean,
+        null: true,
+        description: 'Indicates whether the note was imported.'
+
       markdown_field :body_html, null: true, method: :note
 
       def url
diff --git a/app/graphql/types/snippet_type.rb b/app/graphql/types/snippet_type.rb
index 16f01979a434a5577b4ead61635fb2957feb5cfe..df621a6ca9a59023d67a9bf120bc6813af3f80cc 100644
--- a/app/graphql/types/snippet_type.rb
+++ b/app/graphql/types/snippet_type.rb
@@ -54,6 +54,10 @@ class SnippetType < BaseObject
           description: 'Timestamp this snippet was created.',
           null: false
 
+    field :imported, GraphQL::Types::Boolean,
+          description: 'Indicates if the snippet was imported.',
+          null: true
+
     field :updated_at, Types::TimeType,
           description: 'Timestamp this snippet was updated.',
           null: false
diff --git a/app/helpers/issuables_helper.rb b/app/helpers/issuables_helper.rb
index aba127d2434085590c96a9df8c0e1e162a71e1e0..adc3afe60307c68a551aac97b3a45f2ecb568524 100644
--- a/app/helpers/issuables_helper.rb
+++ b/app/helpers/issuables_helper.rb
@@ -172,7 +172,8 @@ def issuable_initial_data(issuable)
       initialTitleText: issuable.title,
       initialDescriptionHtml: markdown_field(issuable, :description),
       initialDescriptionText: issuable.description,
-      initialTaskCompletionStatus: issuable.task_completion_status
+      initialTaskCompletionStatus: issuable.task_completion_status,
+      imported: issuable.imported
     }
     data.merge!(issue_only_initial_data(issuable))
     data.merge!(path_data(parent))
diff --git a/app/helpers/merge_requests_helper.rb b/app/helpers/merge_requests_helper.rb
index a9a8964212fd7c21020c2b9a31b91a99e9006349..403f62f35a1acb125b80d79a393b0137cd55f8f0 100644
--- a/app/helpers/merge_requests_helper.rb
+++ b/app/helpers/merge_requests_helper.rb
@@ -290,6 +290,7 @@ def sticky_header_data
       title: markdown_field(@merge_request, :title),
       isFluidLayout: fluid_layout.to_s,
       blocksMerge: @project.only_allow_merge_if_all_discussions_are_resolved?.to_s,
+      imported: @merge_request.imported,
       tabs: [
         ['show', _('Overview'), project_merge_request_path(@project, @merge_request), @merge_request.related_notes.user.count],
         ['commits', _('Commits'), commits_project_merge_request_path(@project, @merge_request), @commits_count],
diff --git a/app/models/concerns/importable.rb b/app/models/concerns/importable.rb
index 4d2707b08abdda12332860dffb322acb20770c0b..227a817df49d80f6164a9e1328c4e80563daceb5 100644
--- a/app/models/concerns/importable.rb
+++ b/app/models/concerns/importable.rb
@@ -5,7 +5,4 @@ module Importable
 
   attr_accessor :importing
   alias_method :importing?, :importing
-
-  attr_accessor :imported
-  alias_method :imported?, :imported
 end
diff --git a/app/models/snippet.rb b/app/models/snippet.rb
index 3e075fdaa9eb97bcb76d66e0cde459e623ef598c..fad9cf477af325f2e89e4a73c17d6f91ad7f6374 100644
--- a/app/models/snippet.rb
+++ b/app/models/snippet.rb
@@ -20,6 +20,7 @@ class Snippet < ApplicationRecord
   extend ::Gitlab::Utils::Override
   include CreatedAtFilterable
   include EachBatch
+  include Importable
 
   MAX_FILE_COUNT = 10
 
diff --git a/app/models/synthetic_note.rb b/app/models/synthetic_note.rb
index e71f9838d9bf3b4651d37771eb2313ffee46cfa7..da312d6df88b853abc2cd9e2db6b8305643b2c41 100644
--- a/app/models/synthetic_note.rb
+++ b/app/models/synthetic_note.rb
@@ -17,7 +17,8 @@ def self.note_attributes(action, event, resource, resource_parent)
       noteable: resource,
       event: event,
       system_note_metadata: ::SystemNoteMetadata.new(action: action, id: event.discussion_id),
-      resource_parent: resource_parent
+      resource_parent: resource_parent,
+      imported: event.respond_to?(:imported) ? event.imported : false
     }
 
     if resource_parent.is_a?(Project)
diff --git a/app/views/events/_event.html.haml b/app/views/events/_event.html.haml
index 1d1d85246b53488a07615b032b04645a510b59d7..5ab86fb8118c6c293032be1765943eb048b43c84 100644
--- a/app/views/events/_event.html.haml
+++ b/app/views/events/_event.html.haml
@@ -4,6 +4,8 @@
   .event-item.gl-border-bottom-0.gl-pb-3{ class: current_path?('users#activity') ? 'user-profile-activity gl-pl-7!' : 'project-activity-item' }
     .event-item-timestamp.gl-font-sm
       #{time_ago_with_tooltip(event.created_at)}
+      - if event.imported
+        %span imported
 
     - if event.wiki_page?
       = render "events/event/wiki", event: event
diff --git a/app/views/projects/merge_requests/_mr_box.html.haml b/app/views/projects/merge_requests/_mr_box.html.haml
index c98252ef63ccb7d7476289e245594a8342bfa940..7871733f3023865709cc180d64539b4a634b40a4 100644
--- a/app/views/projects/merge_requests/_mr_box.html.haml
+++ b/app/views/projects/merge_requests/_mr_box.html.haml
@@ -1,3 +1,5 @@
 .detail-page-description.gl-pt-2.gl-pb-4.gl-display-flex.gl-align-items-baseline.gl-flex-wrap{ class: "#{'is-merge-request' if !fluid_layout}" }
   .js-mr-header{ data: { project_path: @merge_request.project.path_with_namespace, hidden: @merge_request.hidden?.to_s, iid: @merge_request.iid, state: @merge_request.state } }
+  - if @merge_request.imported
+    %span imported
   = merge_request_header(@project, @merge_request)
diff --git a/db/migrate/20240321205619_add_imported_to_merge_requests.rb b/db/migrate/20240321205619_add_imported_to_merge_requests.rb
new file mode 100644
index 0000000000000000000000000000000000000000..b339b676e8ee7831241be1f221f123a9f24ca677
--- /dev/null
+++ b/db/migrate/20240321205619_add_imported_to_merge_requests.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddImportedToMergeRequests < Gitlab::Database::Migration[2.2]
+  milestone '16.11'
+
+  def change
+    add_column :merge_requests, :imported, :boolean, default: false, null: false
+  end
+end
diff --git a/db/migrate/20240321210636_add_imported_to_notes.rb b/db/migrate/20240321210636_add_imported_to_notes.rb
new file mode 100644
index 0000000000000000000000000000000000000000..94a0df052cbbb3613440745ba4aefdc3efbec1a1
--- /dev/null
+++ b/db/migrate/20240321210636_add_imported_to_notes.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddImportedToNotes < Gitlab::Database::Migration[2.2]
+  milestone '16.11'
+
+  def change
+    add_column :notes, :imported, :boolean, default: false, null: false
+  end
+end
diff --git a/db/migrate/20240321210710_add_imported_to_issues.rb b/db/migrate/20240321210710_add_imported_to_issues.rb
new file mode 100644
index 0000000000000000000000000000000000000000..ff35eb508076fc62d669c376e844b71742006fa2
--- /dev/null
+++ b/db/migrate/20240321210710_add_imported_to_issues.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddImportedToIssues < Gitlab::Database::Migration[2.2]
+  milestone '16.11'
+
+  def change
+    add_column :issues, :imported, :boolean, default: false, null: false
+  end
+end
diff --git a/db/migrate/20240321210746_add_imported_to_epics.rb b/db/migrate/20240321210746_add_imported_to_epics.rb
new file mode 100644
index 0000000000000000000000000000000000000000..89ee250295720bf8fc5c0c5653697d3ac9d0d61c
--- /dev/null
+++ b/db/migrate/20240321210746_add_imported_to_epics.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddImportedToEpics < Gitlab::Database::Migration[2.2]
+  milestone '16.11'
+
+  def change
+    add_column :epics, :imported, :boolean, default: false, null: false
+  end
+end
diff --git a/db/migrate/20240410165610_add_imported_to_events.rb b/db/migrate/20240410165610_add_imported_to_events.rb
new file mode 100644
index 0000000000000000000000000000000000000000..249982e01ff5946f5648f1f507cb4ef3ff9d0d98
--- /dev/null
+++ b/db/migrate/20240410165610_add_imported_to_events.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddImportedToEvents < Gitlab::Database::Migration[2.2]
+  milestone '16.11'
+
+  def change
+    add_column :events, :imported, :boolean, default: false, null: false
+  end
+end
diff --git a/db/migrate/20240410194217_add_imported_to_snippets.rb b/db/migrate/20240410194217_add_imported_to_snippets.rb
new file mode 100644
index 0000000000000000000000000000000000000000..52970503b96f34d4fb0194d95231b5d7d968ca32
--- /dev/null
+++ b/db/migrate/20240410194217_add_imported_to_snippets.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+# See https://docs.gitlab.com/ee/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddImportedToSnippets < Gitlab::Database::Migration[2.2]
+  # When using the methods "add_concurrent_index" or "remove_concurrent_index"
+  # you must disable the use of transactions
+  # as these methods can not run in an existing transaction.
+  # When using "add_concurrent_index" or "remove_concurrent_index" methods make sure
+  # that either of them is the _only_ method called in the migration,
+  # any other changes should go in a separate migration.
+  # This ensures that upon failure _only_ the index creation or removing fails
+  # and can be retried or reverted easily.
+  #
+  # To disable transactions uncomment the following line and remove these
+  # comments:
+  # disable_ddl_transaction!
+  #
+  # Configure the `gitlab_schema` to perform data manipulation (DML).
+  # Visit: https://docs.gitlab.com/ee/development/database/migrations_for_multiple_databases.html
+  # restrict_gitlab_migration gitlab_schema: :gitlab_main
+
+  # Add dependent 'batched_background_migrations.queued_migration_version' values.
+  # DEPENDENT_BATCHED_BACKGROUND_MIGRATIONS = []
+  milestone '16.11'
+
+  def change
+    add_column :snippets, :imported, :boolean, default: false, null: false
+  end
+end
diff --git a/db/migrate/20240410215850_add_imported_to_design_management_designs.rb b/db/migrate/20240410215850_add_imported_to_design_management_designs.rb
new file mode 100644
index 0000000000000000000000000000000000000000..1d75eb93567bff338622e64815c9d46a7aecd5bb
--- /dev/null
+++ b/db/migrate/20240410215850_add_imported_to_design_management_designs.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddImportedToDesignManagementDesigns < Gitlab::Database::Migration[2.2]
+  milestone '16.11'
+
+  def change
+    add_column :design_management_designs, :imported, :boolean, default: false, null: false
+  end
+end
diff --git a/db/migrate/20240412123613_add_imported_to_resource_event_tables.rb b/db/migrate/20240412123613_add_imported_to_resource_event_tables.rb
new file mode 100644
index 0000000000000000000000000000000000000000..e1df121a341383d9abaaf60df53374245bfb5474
--- /dev/null
+++ b/db/migrate/20240412123613_add_imported_to_resource_event_tables.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+# See https://docs.gitlab.com/ee/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddImportedToResourceEventTables < Gitlab::Database::Migration[2.2]
+  # When using the methods "add_concurrent_index" or "remove_concurrent_index"
+  # you must disable the use of transactions
+  # as these methods can not run in an existing transaction.
+  # When using "add_concurrent_index" or "remove_concurrent_index" methods make sure
+  # that either of them is the _only_ method called in the migration,
+  # any other changes should go in a separate migration.
+  # This ensures that upon failure _only_ the index creation or removing fails
+  # and can be retried or reverted easily.
+  #
+  # To disable transactions uncomment the following line and remove these
+  # comments:
+  # disable_ddl_transaction!
+  #
+  # Configure the `gitlab_schema` to perform data manipulation (DML).
+  # Visit: https://docs.gitlab.com/ee/development/database/migrations_for_multiple_databases.html
+  # restrict_gitlab_migration gitlab_schema: :gitlab_main
+
+  # Add dependent 'batched_background_migrations.queued_migration_version' values.
+  # DEPENDENT_BATCHED_BACKGROUND_MIGRATIONS = []
+  milestone '16.11'
+
+  def change
+    add_column :resource_state_events, :imported, :boolean, default: false, null: false
+    add_column :resource_label_events, :imported, :boolean, default: false, null: false
+    add_column :resource_milestone_events, :imported, :boolean, default: false, null: false
+  end
+end
diff --git a/db/schema_migrations/20240321205619 b/db/schema_migrations/20240321205619
new file mode 100644
index 0000000000000000000000000000000000000000..7380086880bd52836708e6ba2f99c60a7ba11e13
--- /dev/null
+++ b/db/schema_migrations/20240321205619
@@ -0,0 +1 @@
+6e7a14e6023b360c2015c75e7aa0686859c61a5b92dcfb57c63290cdec7835b0
\ No newline at end of file
diff --git a/db/schema_migrations/20240321210636 b/db/schema_migrations/20240321210636
new file mode 100644
index 0000000000000000000000000000000000000000..f50944053ab7d27911d42c67baa993cd16b3c642
--- /dev/null
+++ b/db/schema_migrations/20240321210636
@@ -0,0 +1 @@
+d9d090c29d48470ceb1801d86c5986896ba53b99e3533fe6edb0426476ac0504
\ No newline at end of file
diff --git a/db/schema_migrations/20240321210710 b/db/schema_migrations/20240321210710
new file mode 100644
index 0000000000000000000000000000000000000000..220185a9ffaaf755808c031769782910120501ff
--- /dev/null
+++ b/db/schema_migrations/20240321210710
@@ -0,0 +1 @@
+bfd3d4a6e73aaab699fd570ba4408d28d1e08a22f76621dcbf1589cfd0775e09
\ No newline at end of file
diff --git a/db/schema_migrations/20240321210746 b/db/schema_migrations/20240321210746
new file mode 100644
index 0000000000000000000000000000000000000000..1baaf6ed3df57168fbd14e84684a9a309f290392
--- /dev/null
+++ b/db/schema_migrations/20240321210746
@@ -0,0 +1 @@
+b75de49dae2c4a2127b9ce50a874ad585589dc64e8590292bd85a386f4b4e0bb
\ No newline at end of file
diff --git a/db/schema_migrations/20240410165610 b/db/schema_migrations/20240410165610
new file mode 100644
index 0000000000000000000000000000000000000000..4d61bd245a099613c8a01dc8ea26ab80a70c155d
--- /dev/null
+++ b/db/schema_migrations/20240410165610
@@ -0,0 +1 @@
+c825ff46f3448c3a70bc61cdc04e06fb8f1599b37ef04b86b535d59d35ba8cae
\ No newline at end of file
diff --git a/db/schema_migrations/20240410194217 b/db/schema_migrations/20240410194217
new file mode 100644
index 0000000000000000000000000000000000000000..be16c5f7015c54553fba77b25b650b09af6b3ae7
--- /dev/null
+++ b/db/schema_migrations/20240410194217
@@ -0,0 +1 @@
+37652ac2953fb096d76676037c5d225a8da40fa83cda188d02d70bb919fe08e8
\ No newline at end of file
diff --git a/db/schema_migrations/20240410215850 b/db/schema_migrations/20240410215850
new file mode 100644
index 0000000000000000000000000000000000000000..b2ba1e34d1ace124c6010ecb7a013c99f1d448db
--- /dev/null
+++ b/db/schema_migrations/20240410215850
@@ -0,0 +1 @@
+8bfc4c0b921c872d8be60d21d7253cdb12706a6d0bd9655689993c81fd956e79
\ No newline at end of file
diff --git a/db/schema_migrations/20240412123613 b/db/schema_migrations/20240412123613
new file mode 100644
index 0000000000000000000000000000000000000000..9f267bd47a95a4273a11a8a0929c56c762e3e214
--- /dev/null
+++ b/db/schema_migrations/20240412123613
@@ -0,0 +1 @@
+601731d3b112fc1090472bc3f8f1eed28b629ca07378b5f96060e330ac65a35a
\ No newline at end of file
diff --git a/db/structure.sql b/db/structure.sql
index 68646e3ce5cefbb704af0a9590be714ead99df4c..e89b0c8a656dcf98ed32fe3a9a635d73e7bc1e93 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -8232,6 +8232,7 @@ CREATE TABLE design_management_designs (
     cached_markdown_version integer,
     description text,
     description_html text,
+    imported boolean DEFAULT false NOT NULL,
     CONSTRAINT check_07155e2715 CHECK ((char_length((filename)::text) <= 255)),
     CONSTRAINT check_aaf9fa6ae5 CHECK ((char_length(description) <= 1000000)),
     CONSTRAINT check_cfb92df01a CHECK ((iid IS NOT NULL))
@@ -8722,6 +8723,7 @@ CREATE TABLE epics (
     total_opened_issue_count integer DEFAULT 0 NOT NULL,
     total_closed_issue_count integer DEFAULT 0 NOT NULL,
     issue_id integer,
+    imported boolean DEFAULT false NOT NULL,
     CONSTRAINT check_ca608c40b3 CHECK ((char_length(color) <= 7)),
     CONSTRAINT check_fcfb4a93ff CHECK ((lock_version IS NOT NULL))
 );
@@ -8817,6 +8819,7 @@ CREATE TABLE events (
     fingerprint bytea,
     id bigint NOT NULL,
     target_id bigint,
+    imported boolean DEFAULT false NOT NULL,
     CONSTRAINT check_97e06e05ad CHECK ((octet_length(fingerprint) <= 128))
 );
 
@@ -10411,6 +10414,7 @@ CREATE TABLE issues (
     namespace_id bigint,
     start_date date,
     tmp_epic_id bigint,
+    imported boolean DEFAULT false NOT NULL,
     CONSTRAINT check_2addf801cd CHECK ((work_item_type_id IS NOT NULL)),
     CONSTRAINT check_c33362cd43 CHECK ((namespace_id IS NOT NULL)),
     CONSTRAINT check_fba63f706d CHECK ((lock_version IS NOT NULL))
@@ -11311,6 +11315,7 @@ CREATE TABLE merge_requests (
     draft boolean DEFAULT false NOT NULL,
     prepared_at timestamp with time zone,
     merged_commit_sha bytea,
+    imported boolean DEFAULT false NOT NULL,
     override_requested_changes boolean DEFAULT false NOT NULL,
     head_pipeline_id_convert_to_bigint bigint,
     CONSTRAINT check_970d272570 CHECK ((lock_version IS NOT NULL))
@@ -11998,7 +12003,8 @@ CREATE TABLE notes (
     last_edited_at timestamp with time zone,
     internal boolean DEFAULT false NOT NULL,
     id bigint NOT NULL,
-    namespace_id bigint
+    namespace_id bigint,
+    imported boolean DEFAULT false NOT NULL
 );
 
 CREATE SEQUENCE notes_id_seq
@@ -15223,7 +15229,8 @@ CREATE TABLE resource_label_events (
     created_at timestamp with time zone NOT NULL,
     cached_markdown_version integer,
     reference text,
-    reference_html text
+    reference_html text,
+    imported boolean DEFAULT false NOT NULL
 );
 
 CREATE SEQUENCE resource_label_events_id_seq
@@ -15262,7 +15269,8 @@ CREATE TABLE resource_milestone_events (
     milestone_id bigint,
     action smallint NOT NULL,
     state smallint NOT NULL,
-    created_at timestamp with time zone NOT NULL
+    created_at timestamp with time zone NOT NULL,
+    imported boolean DEFAULT false NOT NULL
 );
 
 CREATE SEQUENCE resource_milestone_events_id_seq
@@ -15286,6 +15294,7 @@ CREATE TABLE resource_state_events (
     close_after_error_tracking_resolve boolean DEFAULT false NOT NULL,
     close_auto_resolve_prometheus_alert boolean DEFAULT false NOT NULL,
     source_merge_request_id bigint,
+    imported boolean DEFAULT false NOT NULL,
     CONSTRAINT check_f0bcfaa3a2 CHECK ((char_length(source_commit) <= 40)),
     CONSTRAINT state_events_must_belong_to_issue_or_merge_request_or_epic CHECK ((((issue_id <> NULL::bigint) AND (merge_request_id IS NULL) AND (epic_id IS NULL)) OR ((issue_id IS NULL) AND (merge_request_id <> NULL::bigint) AND (epic_id IS NULL)) OR ((issue_id IS NULL) AND (merge_request_id IS NULL) AND (epic_id <> NULL::integer))))
 );
@@ -16107,7 +16116,8 @@ CREATE TABLE snippets (
     encrypted_secret_token character varying(255),
     encrypted_secret_token_iv character varying(255),
     secret boolean DEFAULT false NOT NULL,
-    repository_read_only boolean DEFAULT false NOT NULL
+    repository_read_only boolean DEFAULT false NOT NULL,
+    imported boolean DEFAULT false NOT NULL
 );
 
 CREATE SEQUENCE snippets_id_seq
diff --git a/ee/app/assets/javascripts/epic/components/epic_app.vue b/ee/app/assets/javascripts/epic/components/epic_app.vue
index da0bdcc14427a684a1500de71d9430255b8ac939..1da67cba56d84a1f358fccaa47f2ae170ea651c5 100644
--- a/ee/app/assets/javascripts/epic/components/epic_app.vue
+++ b/ee/app/assets/javascripts/epic/components/epic_app.vue
@@ -35,6 +35,7 @@ export default {
       'lockVersion',
       'state',
       'confidential',
+      'imported',
     ]),
     formattedAuthor() {
       const { url, username } = this.author;
@@ -76,6 +77,7 @@ export default {
         :initial-description-text="initialDescriptionText"
         :issuable-status="state"
         :is-confidential="confidential"
+        :imported="imported"
         enable-autocomplete
         project-namespace
         issuable-ref
@@ -85,7 +87,7 @@ export default {
           <epic-header-actions />
         </template>
         <template #header>
-          <epic-header :formatted-author="formattedAuthor" />
+          <epic-header :formatted-author="formattedAuthor" :imported="imported" />
         </template>
       </issuable-body>
     </div>
diff --git a/ee/app/assets/javascripts/epic/components/epic_header.vue b/ee/app/assets/javascripts/epic/components/epic_header.vue
index 2a3b2dfde952fb0d38fd67b5b6687b1c75010e5f..f58b991d4829c6f8c69b3f94e44cdc9b85452dee 100644
--- a/ee/app/assets/javascripts/epic/components/epic_header.vue
+++ b/ee/app/assets/javascripts/epic/components/epic_header.vue
@@ -17,6 +17,11 @@ export default {
       type: Object,
       required: true,
     },
+    imported: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
   },
   computed: {
     ...mapState(['sidebarCollapsed', 'author', 'created', 'confidential', 'state']),
@@ -58,6 +63,7 @@ export default {
     :issuable-type="$options.TYPE_EPIC"
     :status-icon="statusIcon"
     :workspace-type="$options.WORKSPACE_GROUP"
+    :imported="imported"
     show-work-item-type-icon
     @toggle="toggleSidebar({ sidebarCollapsed })"
   />
diff --git a/ee/app/assets/javascripts/epic/epic_bundle.js b/ee/app/assets/javascripts/epic/epic_bundle.js
index d2d481c15f386e61b150dafd44f5e2df1cd23b2e..863e5a4ef1e7cc135f3530496f289f9b96e36095 100644
--- a/ee/app/assets/javascripts/epic/epic_bundle.js
+++ b/ee/app/assets/javascripts/epic/epic_bundle.js
@@ -77,6 +77,7 @@ export default () => {
       roadmapElementSelector,
       containerElementSelector,
       reportAbusePath,
+      imported: epicData.imported,
     },
     created() {
       this.setEpicMeta({
diff --git a/lib/api/entities/note.rb b/lib/api/entities/note.rb
index c693edc611bbaf0150330d90fb259f3247c8e943..a678de517f0d5f1b416d26f6aa105c764540673d 100644
--- a/lib/api/entities/note.rb
+++ b/lib/api/entities/note.rb
@@ -29,6 +29,8 @@ class Note < Grape::Entity
       expose :confidential?, as: :confidential
       expose :confidential?, as: :internal
 
+      expose :imported
+
       # Avoid N+1 queries as much as possible
       expose(:noteable_iid) { |note| note.noteable.iid if NOTEABLE_TYPES_WITH_IID.include?(note.noteable_type) }
 
diff --git a/lib/gitlab/import_export/base/relation_factory.rb b/lib/gitlab/import_export/base/relation_factory.rb
index c3021f034cd5784adbfb5c236dd2ccdf793c5d48..efb9b9163011791e35731050436a8bcd454c0a60 100644
--- a/lib/gitlab/import_export/base/relation_factory.rb
+++ b/lib/gitlab/import_export/base/relation_factory.rb
@@ -180,6 +180,8 @@ def importable_class_name
         def imported_object
           if existing_or_new_object.respond_to?(:importing)
             existing_or_new_object.importing = true
+
+            existing_or_new_object.imported = true if existing_or_new_object.respond_to?(:imported)
           end
 
           existing_or_new_object