29 CFR §1919.19
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Chains or other gear which have been lengthened, altered or repaired by welding shall be properly heat treated where necessary, and, before again being put into use, shall be tested and reexamined in the manner set forth in subpart E of this part.