N.Y. Comp. Codes R. & Regs. Tit. 19 §§ 1229-2.5
Grease interceptors shall be maintained in accordance with the Uniform Code and the manufacturer's installation instructions. Grease interceptors shall be regularly serviced and cleaned to prevent the discharge of oil, grease, and other substances harmful or hazardous to the building drainage system, the public sewer, the private sewage disposal system, or the sewage treatment plant or processes. Records of maintenance, cleaning, and repairs shall be available for inspection by the code enforcement official. Maintenance personnel and the property owner shall ensure the approved method of preventing unauthorized access is in good repair and properly secured following any maintenance performed, shall ensure the required signage is properly maintained, and that the grease interceptor is properly maintained to withstand all expected earth, pedestrian, traffic, and other loads as applicable.
N.Y. Comp. Codes R. & Regs. Tit. 19 §§ 1229-2.5