1926.29: Certifications for Pressure Vessels and Boilers
Employers who provide pressure vessels or boilers may use a current, valid certification from an insurance company or regulatory authority as proof of safe installation, inspection and testing. Rules for other types of pressure vessels and similar equipment are in subparts F and O of part 1926.
Key takeaways
- 1926.29 is part of OSHA's construction standards (29 CFR Part 1926, Subpart C).
- OSHA cited it 1 times in the last 3 years, in 1 inspections, with $6,775 in current penalties.
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1926.29, "Acceptable certifications", is an OSHA construction standard (Part 1926, Subpart C). It has 3 numbered paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
Show the full text of 1926.29 (3 paragraphs)
(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. 1 citations
(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.
Source: eCFR, text current as of 2026-10-15.
Where and how often it was cited
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OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1926.29.
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Frequently asked questions
What proves a boiler on site was safely installed and tested?
Evidence of current and valid certification by an insurance company or regulatory authority attesting to safe installation, inspection and testing.
Does an expired certificate count?
No. The rule says the certification must be current and valid.
Where are rules for other pressure vessels?
In subparts F and O of part 1926.
About this page
Sources
- 29 CFR 1926.29 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-10-19
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.