California
For California, national board stamps required is None***; asme code section stamps required is All; footnotes is ***Except for refinery and oilfield locations require an R stamp; country is United States, recorded from its source on 2026-08-28.
- Jurisdiction
- California our reading
- National Board stamps required
- None*** verified
- ASME Code Section stamps required
- All verified
- Footnotes
- ***Except for refinery and oilfield locations require an R stamp. our reading
- Country
- United States our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
California None*** All
— nationalboard.org, retrieved 2026-08-28
Source
- nationalboard.orghttps://www.nationalboard.org/SiteDocuments/Synopsis/asme_requirements.pdf