diff --git a/src/app/(dashboard)/finance/rm-pricing/groups/rm-groups-page-client.tsx b/src/app/(dashboard)/finance/rm-pricing/groups/rm-groups-page-client.tsx
index 42c582b..ca57826 100644
--- a/src/app/(dashboard)/finance/rm-pricing/groups/rm-groups-page-client.tsx
+++ b/src/app/(dashboard)/finance/rm-pricing/groups/rm-groups-page-client.tsx
@@ -59,9 +59,14 @@ function RMGroupsPageContent() {
   const exportMutation = useExportRMGroups()
 
   const handleExport = () => {
-    // Export respects the active_filter only (search is UI-level; the backend
-    // Export RPC intentionally does not accept search params).
-    exportMutation.mutate({ activeFilter: filters.activeFilter })
+    // Export honors active_filter + search from the list-page filters.
+    // Selected-mode (group_head_ids) is exposed via the BFF route for
+    // programmatic callers; the list page itself doesn't expose multi-select
+    // export (yet) — Filtered + All cover the bulk-migration workflow.
+    exportMutation.mutate({
+      activeFilter: filters.activeFilter,
+      search: filters.search,
+    })
   }
 
   // Use isFetching (not isLoading) so background refetches triggered on
diff --git a/src/app/api/v1/finance/rm-groups/export/route.ts b/src/app/api/v1/finance/rm-groups/export/route.ts
index 2a3f24f..2c3610a 100644
--- a/src/app/api/v1/finance/rm-groups/export/route.ts
+++ b/src/app/api/v1/finance/rm-groups/export/route.ts
@@ -9,9 +9,20 @@ export async function GET(request: NextRequest) {
     const metadata = createMetadataFromRequest(request)
     const client = getRmGroupClient()
 
+    // Comma-separated list of group_head_id UUIDs for the "Selected" mode.
+    const idsParam = searchParams.get("group_head_ids") || searchParams.get("groupHeadIds") || ""
+    const groupHeadIds = idsParam
+      ? idsParam
+          .split(",")
+          .map((s) => s.trim())
+          .filter(Boolean)
+      : []
     const response = await client.exportRMGroups(
       {
-        activeFilter: Number(searchParams.get("activeFilter") || searchParams.get("active_filter")) || 0,
+        activeFilter:
+          Number(searchParams.get("activeFilter") || searchParams.get("active_filter")) || 0,
+        search: searchParams.get("search") || "",
+        groupHeadIds,
       },
       metadata
     )
diff --git a/src/types/finance/rm-group.ts b/src/types/finance/rm-group.ts
index 96426b4..f2759a7 100644
--- a/src/types/finance/rm-group.ts
+++ b/src/types/finance/rm-group.ts
@@ -133,6 +133,12 @@ export interface ListUngroupedItemsParams {
 
 export interface ExportRMGroupsParams {
   activeFilter?: ActiveFilter
+  /** Free-text search across code/name/description (Filtered mode). */
+  search?: string
+  /** Explicit group_head_id list (Selected mode). When non-empty overrides
+   *  activeFilter and search at the backend. Sent as `group_head_ids` query
+   *  param (comma-separated UUIDs). */
+  groupHeadIds?: string[]
 }
 
 // Form data for group head create/edit
diff --git a/src/types/generated/finance/v1/rm_group.ts b/src/types/generated/finance/v1/rm_group.ts
index eb4eafd..5c17d1d 100644
--- a/src/types/generated/finance/v1/rm_group.ts
+++ b/src/types/generated/finance/v1/rm_group.ts
@@ -930,10 +930,24 @@ export interface GetRMGroupItemRatesResponse {
   data: RMGroupItemRates[];
 }
 
-/** ExportRMGroupsRequest filters the export. Active filter only (no pagination). */
+/**
+ * ExportRMGroupsRequest filters the export. Three mutually-exclusive modes:
+ *
+ *   - All groups: leave both filters unset (default).
+ *   - Filtered:   set `active_filter` (and/or `search`) to narrow the set.
+ *   - Selected:   pass an explicit list of group_head_ids; all other filters
+ *                 are ignored.
+ */
 export interface ExportRMGroupsRequest {
   /** Filter by active/inactive (UNSPECIFIED = all). */
   activeFilter: ActiveFilter;
+  /**
+   * Optional explicit group selection. When non-empty, only these groups
+   * are exported (overrides `active_filter` and `search`).
+   */
+  groupHeadIds: string[];
+  /** Optional code/name search string. Empty = no search filter. */
+  search: string;
 }
 
 /** ExportRMGroupsResponse returns a multi-sheet Excel (Groups + Items). */
@@ -6747,7 +6761,7 @@ export const GetRMGroupItemRatesResponse: MessageFns<GetRMGroupItemRatesResponse
 };
 
 function createBaseExportRMGroupsRequest(): ExportRMGroupsRequest {
-  return { activeFilter: 0 };
+  return { activeFilter: 0, groupHeadIds: [], search: "" };
 }
 
 export const ExportRMGroupsRequest: MessageFns<ExportRMGroupsRequest> = {
@@ -6755,6 +6769,12 @@ export const ExportRMGroupsRequest: MessageFns<ExportRMGroupsRequest> = {
     if (message.activeFilter !== 0) {
       writer.uint32(8).int32(message.activeFilter);
     }
+    for (const v of message.groupHeadIds) {
+      writer.uint32(18).string(v!);
+    }
+    if (message.search !== "") {
+      writer.uint32(26).string(message.search);
+    }
     return writer;
   },
 
@@ -6773,6 +6793,22 @@ export const ExportRMGroupsRequest: MessageFns<ExportRMGroupsRequest> = {
           message.activeFilter = reader.int32() as any;
           continue;
         }
+        case 2: {
+          if (tag !== 18) {
+            break;
+          }
+
+          message.groupHeadIds.push(reader.string());
+          continue;
+        }
+        case 3: {
+          if (tag !== 26) {
+            break;
+          }
+
+          message.search = reader.string();
+          continue;
+        }
       }
       if ((tag & 7) === 4 || tag === 0) {
         break;
@@ -6789,6 +6825,12 @@ export const ExportRMGroupsRequest: MessageFns<ExportRMGroupsRequest> = {
         : isSet(object.active_filter)
         ? activeFilterFromJSON(object.active_filter)
         : 0,
+      groupHeadIds: globalThis.Array.isArray(object?.groupHeadIds)
+        ? object.groupHeadIds.map((e: any) => globalThis.String(e))
+        : globalThis.Array.isArray(object?.group_head_ids)
+        ? object.group_head_ids.map((e: any) => globalThis.String(e))
+        : [],
+      search: isSet(object.search) ? globalThis.String(object.search) : "",
     };
   },
 
@@ -6797,6 +6839,12 @@ export const ExportRMGroupsRequest: MessageFns<ExportRMGroupsRequest> = {
     if (message.activeFilter !== 0) {
       obj.activeFilter = activeFilterToJSON(message.activeFilter);
     }
+    if (message.groupHeadIds?.length) {
+      obj.groupHeadIds = message.groupHeadIds;
+    }
+    if (message.search !== "") {
+      obj.search = message.search;
+    }
     return obj;
   },
 
@@ -6806,6 +6854,8 @@ export const ExportRMGroupsRequest: MessageFns<ExportRMGroupsRequest> = {
   fromPartial(object: DeepPartial<ExportRMGroupsRequest>): ExportRMGroupsRequest {
     const message = createBaseExportRMGroupsRequest();
     message.activeFilter = object.activeFilter ?? 0;
+    message.groupHeadIds = object.groupHeadIds?.map((e) => e) || [];
+    message.search = object.search ?? "";
     return message;
   },
 };