N.Y.C. Admin. Code § 28-103.21.1: § 28-103.21.1 Reporting.

Where construction work subject to permitting by the commissioner that results in a fatality or injury to any individual, including a member of the general public or a construction worker, occurs on a construction site within the city, the owner or person otherwise in control of the site at which such incident occurred, or, if the incident involved a construction worker, the general contractor or subcontractor that employed such worker, shall report to the department, within three business days after the occurrence of such incident, the information required by section 28-103.21, with such reporting made via an electronic portal established by the department for the purpose of collecting the required information.