N.Y.C. Admin. Code § 28-104.2.2: § 28-104.2.2 Approval or acceptance to be indicated on construction documents.

All construction documents, when approved, shall be stamped or endorsed "approved" under the official method of the department, followed by a notation of the date except that construction documents accepted with less than full examination by the department shall be stamped or endorsed "accepted" instead of "approved".