diff --git a/api-v3/test/unit/f6-1-operational-context-consistency.test.ts b/api-v3/test/unit/f6-1-operational-context-consistency.test.ts
index 1bd2514..4e388cf 100644
--- a/api-v3/test/unit/f6-1-operational-context-consistency.test.ts
+++ b/api-v3/test/unit/f6-1-operational-context-consistency.test.ts
@@ -27,6 +27,17 @@ test('F6.1 blocks operator mutation through generic Inventory edit DTOs', () =>
   }
 });
 
+test('F6.1 rejects legacy Inventory searches that filter by operator snapshot', () => {
+  const listDto = source('src/asset-master/dto/list-assets-query.dto.ts');
+  const treeDto = source('src/asset-master/dto/list-asset-tree-query.dto.ts');
+
+  for (const dto of [listDto, treeDto]) {
+    assert.match(dto, /operatorCompanyId\?: string/);
+    assert.match(dto, /@IsEmpty/);
+    assert.match(dto, /Filtrá la Operadora mediante la relación temporal del Área/);
+  }
+});
+
 test('F6.1 resolves temporal Inventory operator from Area relation history', () => {
   const temporal = source('src/asset-master/asset-temporal.service.ts');