diff --git a/src/common/helpers/search/formatters/authorities.ts b/src/common/helpers/search/formatters/authorities.ts
index 6b1dbb0..4fac6d0 100644
--- a/src/common/helpers/search/formatters/authorities.ts
+++ b/src/common/helpers/search/formatters/authorities.ts
@@ -1,34 +1,41 @@
 import { v4 as uuidv4 } from 'uuid';
 
 export const formatAuthorityItem = (
-  authoritiesList: AuthorityAsSearchResultDTO[],
+  authoritiesList: AuthorityAsSearchResultDTO[] | AuthorityAsBrowseResultDTO[],
   sourceData?: SourceDataDTO,
 ): SearchResultsTableRow[] =>
-  authoritiesList?.map(
-    ({ id = '', authRefType = '', headingRef = '', headingType = '', sourceFileId = '', isAnchor = false }) => {
-      const sourceLabel = sourceData?.find(({ id: sourceId }) => sourceId === sourceFileId)?.name ?? sourceFileId;
+  authoritiesList?.map(authorityEntry => {
+    const selectedEntry = (authorityEntry.authority ?? authorityEntry) as AuthorityAsSearchResultDTO;
+    const {
+      id = '',
+      authRefType = '',
+      headingRef = '',
+      headingType = '',
+      sourceFileId = '',
+      isAnchor = false,
+    } = selectedEntry;
+    const sourceLabel = sourceData?.find(({ id: sourceId }) => sourceId === sourceFileId)?.name ?? sourceFileId;
 
-      return {
-        __meta: {
-          id,
-          key: uuidv4(),
-          isAnchor,
-        },
-        authorized: {
-          label: authRefType,
-        },
-        title: {
-          label: headingRef,
-          className: 'title',
-        },
-        subclass: {
-          label: headingType,
-          className: 'heading-type',
-        },
-        authoritySource: {
-          label: sourceLabel,
-          className: 'authority-source',
-        },
-      };
-    },
-  );
+    return {
+      __meta: {
+        id,
+        key: uuidv4(),
+        isAnchor,
+      },
+      authorized: {
+        label: authRefType,
+      },
+      title: {
+        label: headingRef,
+        className: 'title',
+      },
+      subclass: {
+        label: headingType,
+        className: 'heading-type',
+      },
+      authoritySource: {
+        label: sourceLabel,
+        className: 'authority-source',
+      },
+    };
+  });
diff --git a/src/types/api.d.ts b/src/types/api.d.ts
index 448495a..ca20eb5 100644
--- a/src/types/api.d.ts
+++ b/src/types/api.d.ts
@@ -59,6 +59,11 @@ type AuthorityAsSearchResultDTO = {
   [key: string]: string | string[];
 };
 
+type AuthorityAsBrowseResultDTO = {
+  headingRef?: string;
+  authority?: AuthorityAsSearchResultDTO[];
+};
+
 interface IApiClient {
   loadSimpleLookupData: (uris: string | string[]) => Promise<LoadSimpleLookupResponseItem[] | undefined>;
 }