diff --git a/api-v3/src/database/migrations/1789754350000-phase-f2-2-1-long-reference-labels.ts b/api-v3/src/database/migrations/1789754350000-phase-f2-2-1-long-reference-labels.ts
new file mode 100644
index 0000000..f995300
--- /dev/null
+++ b/api-v3/src/database/migrations/1789754350000-phase-f2-2-1-long-reference-labels.ts
@@ -0,0 +1,28 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class PhaseF221LongReferenceLabels1789754350000 implements MigrationInterface {
+  name = 'PhaseF221LongReferenceLabels1789754350000';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    // La matriz APLICACION APP contiene denominaciones técnicas descriptivas que
+    // legítimamente superan el límite histórico de 160 caracteres. No se recorta
+    // información de la fuente: ampliamos sólo columnas descriptivas.
+    await queryRunner.query(`ALTER TABLE asset_types ALTER COLUMN name TYPE varchar(500)`);
+    await queryRunner.query(`ALTER TABLE asset_attribute_definitions ALTER COLUMN name TYPE varchar(500)`);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    const rows = (await queryRunner.query(`
+      SELECT
+        coalesce(max(length(name)),0)::integer AS max_type_name,
+        (SELECT coalesce(max(length(name)),0)::integer FROM asset_attribute_definitions) AS max_attribute_name
+      FROM asset_types
+    `)) as Array<{ max_type_name: number; max_attribute_name: number }>;
+
+    if ((rows[0]?.max_type_name ?? 0) > 160 || (rows[0]?.max_attribute_name ?? 0) > 160) {
+      throw new Error('F2.2.1 no puede reducir etiquetas a 160 caracteres sin pérdida de información');
+    }
+    await queryRunner.query(`ALTER TABLE asset_types ALTER COLUMN name TYPE varchar(160)`);
+    await queryRunner.query(`ALTER TABLE asset_attribute_definitions ALTER COLUMN name TYPE varchar(160)`);
+  }
+}