N.Y.C. Admin. Code § 28-217.1.6: § 28-217.1.6

Any owner of a building or structure shall notify the department in writing that such building or structure has become potentially compromised immediately after such owner knows or should have known of the condition. Such notice shall contain the name and business address of the owner of record of such building or structure and shall identify the building or structure by street address and tax block and lot. The notices required by this subdivision shall be in such form and manner as established by the commissioner by rule.