29 CFR 1926.29 - Acceptable certifications.
(a) Pressure vessels. Current and valid certification by an insurance company or regulatory authority shall be deemed as acceptable evidence of safe installation, inspection, and testing of pressure vessels provided by the employer.
(b) Boilers. Boilers provided by the employer shall be deemed to be in compliance with the requirements of this part when evidence of current and valid certification by an insurance company or regulatory authority attesting to the safe installation, inspection, and testing is presented.
(c) Other requirements. Regulations prescribing specific requirements for other types of pressure vessels and similar equipment are contained in subparts F and O of this part.