Commencing January 1, 2019, building gas piping systems, other than gas piping systems of buildings classified in occupancy group R-3, shall be periodically inspected in accordance with this article.

Exception: A building that contains no gas piping and for which the owner of such building has submitted to the commissioner, in a form and manner determined by the commissioner, a certificate of a registered design professional, or a person satisfying other qualifications that the commissioner may establish, that such building contains no gas piping.