diff --git a/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-collect.component.html b/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-collect.component.html
index 2c90b21a307..2bffd0ce458 100644
--- a/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-collect.component.html
+++ b/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-collect.component.html
@@ -4,6 +4,7 @@
       [transactionId]="transaction?.id"
       (showArchiveUnitDetails)="showPreviewArchiveUnit($event)"
       [searchHasMatches]="searchHasResults"
+      [hasDynamicAttachment]="hasDynamicAttachment"
       [searchRequestTotalResults]="totalResults"
     >
     </app-filing-holding-scheme>
diff --git a/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-collect.component.ts b/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-collect.component.ts
index 796b67dae38..9f8b7e36402 100644
--- a/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-collect.component.ts
+++ b/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-collect.component.ts
@@ -143,6 +143,7 @@ export class ArchiveSearchCollectComponent extends SidenavPage<any> implements O
   direction = Direction.ASCENDANT;
   DEFAULT_RESULT_THRESHOLD = 10000;
   searchHasResults = false;
+  hasDynamicAttachment = false;
   pageNumbers = 0;
   canLoadMore = false;
 
@@ -305,6 +306,7 @@ export class ArchiveSearchCollectComponent extends SidenavPage<any> implements O
         if (!!transaction) {
           this.isNotOpen$.next(transaction.status !== TransactionStatus.OPEN);
           this.isNotReady$.next(transaction.status !== TransactionStatus.READY);
+          this.existsArchiveUnitWithDynamicAttachment();
         } else {
           this.isNotOpen$.next(true);
           this.isNotReady$.next(true);
@@ -1078,4 +1080,50 @@ export class ArchiveSearchCollectComponent extends SidenavPage<any> implements O
     // FIXME: for some reason, that trackBy - used to make Angular update the Unit in the list when it's modified in the sidenav - is not always working correctly: sometimes, the Unit is updated, sometimes not. It looks like it is updated for "simple" Units (with only Généralités) and not for "complex" ones.
     return unit['#id'];
   }
+
+  existsArchiveUnitWithDynamicAttachment(): void {
+    const criteriaList = [
+      {
+        criteria: 'ALL_ARCHIVE_UNIT_TYPES',
+        values: [
+          {
+            value: 'ARCHIVE_UNIT_WITH_OBJECTS',
+            id: 'ARCHIVE_UNIT_WITH_OBJECTS',
+          },
+          {
+            value: 'ARCHIVE_UNIT_WITHOUT_OBJECTS',
+            id: 'ARCHIVE_UNIT_WITHOUT_OBJECTS',
+          },
+        ],
+        operator: 'EQ',
+        category: 'FIELDS',
+        dataType: 'STRING',
+      },
+      {
+        criteria: 'TITLE_OR_DESCRIPTION',
+        values: [
+          {
+            value: 'DYNAMIC_ATTACHEMENT',
+            id: 'DYNAMIC_ATTACHEMENT',
+          },
+        ],
+        operator: 'EQ',
+        category: 'FIELDS',
+        dataType: 'STRING',
+      },
+    ];
+    const searchCriteria = {
+      criteriaList: criteriaList,
+      pageNumber: 0,
+      size: 1,
+      sortingCriteria: { criteria: this.orderBy, sorting: this.direction },
+      trackTotalHits: false,
+      computeFacets: false,
+    };
+    this.archiveUnitCollectService
+      .searchArchiveUnitsByCriteria(searchCriteria, this.transaction?.id || null)
+      .subscribe((response: PagedResult) => {
+        this.hasDynamicAttachment = response.results != null && !isEmpty(response.results);
+      });
+  }
 }
diff --git a/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-criteria/components/filing-holding-scheme/filing-holding-scheme.component.ts b/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-criteria/components/filing-holding-scheme/filing-holding-scheme.component.ts
index 16aee30d6b6..b957e770801 100644
--- a/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-criteria/components/filing-holding-scheme/filing-holding-scheme.component.ts
+++ b/ui/ui-frontend/projects/collect/src/app/collect/archive-search-collect/archive-search-criteria/components/filing-holding-scheme/filing-holding-scheme.component.ts
@@ -56,6 +56,7 @@ import { ArchiveSharedDataService } from '../../services/archive-shared-data.ser
 export class FilingHoldingSchemeComponent implements OnInit, OnDestroy {
   @Input() transactionId: string;
   @Input() searchHasMatches = false;
+  @Input() hasDynamicAttachment = false;
   @Input() searchRequestTotalResults: number;
 
   @Output() showArchiveUnitDetails = new EventEmitter<Unit>();
@@ -128,7 +129,7 @@ export class FilingHoldingSchemeComponent implements OnInit, OnDestroy {
         }
         // Re-init attachment units to render children by criteria
         this.nestedDataSourceLeaves.data = [...this.attachmentNodes];
-        if (this.searchRequestTotalResults > 0 && isEmpty(this.attachmentNodes)) {
+        if (this.searchRequestTotalResults > 0 && (isEmpty(this.attachmentNodes) || this.hasDynamicAttachment)) {
           FilingHoldingSchemeHandler.addOrphansNodeFromTree(
             this.nestedDataSourceLeaves.data,
             this.translateService.instant('ARCHIVE_SEARCH.FILING_SCHEMA.ORPHANS_NODE'),