CFR›Title 46›Chapter I›Part 108›Subpart G›46 CFR 108.636 Citation46 CFR 108.636CorpusDaily eCFRDisplayed edition2026-09-25Last updated2026-09-25 § 108.636 Work vests.Each space containing a work vest must be marked: “WORK VEST”. Previous 108.635 § 108.635 Self-contained breathing apparatus. Next 108.637 § 108.637 Hand portable fire extinguishers.