N.Y.C. Admin. Code § 28-118.13: § 28-118.13 Certificates of occupancy for air-inflated structures, air-supported structures, and tents.

Certificates of occupancy for air-inflated structures, air-supported structures, and tents shall be issued for a period not exceeding one year. Such certificates may be renewed for one-year periods upon demonstration that the structure complies with all laws and rules in effect at the time of the request for renewal.