Boilers and boiler components are not required to be approved. A voluntarily approved boiler or boiler component, however, which is in all material respects in compliance with the resolution of approval shall constitute one in compliance with the Industrial Code, any provision thereof inconsistent with the resolution of approval notwithstanding. Special conditions and requirements set forth in a resolution of approval shall be compiled with.
N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 4-1.12