N.Y.C. Admin. Code § 28-502.2.1: § 28-502.2.1 Application.

Application for registration or the renewal of registration shall be made on forms to be furnished by the department, may be made through electronic means, and shall contain such information as the department shall prescribe. Registration shall remain in force for two years and may be renewed. The fee for such registration and for the renewal of such registration shall be established by rule and may be based on the number of signs in the registered inventory.