It shall be unlawful for any person, firm, partnership, or corporation to operate in this state a boiler or pressure vessel, except a pressure vessel covered by owner or user inspection service as provided for in Code Section 25-15-24, without a valid inspection certificate. The operation of a boiler or pressure vessel without such inspection certificate or at a pressure exceeding that specified in such inspection certificate or in violation of this article shall constitute a misdemeanor.
OCGA § 25-15-26