US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 31 — INSPECTION AND CERTIFICATIONSubpart 31.40—Certificates Under International Convention for Safety of Life at Sea, 197431.40-3546 C.F.R. § 31.40-35Availability of certificates.Last amended: 2016Year: 2026Length: 24 wordsOfficial source Cite as 46 C.F.R. § 31.40-35 (2026)The Convention certificates shall be on board the vessel and readily available for examination at all times. [USCG-1999-4976, 65 FR 6500, Feb. 9, 2000]Previous46 C.F.R. § 31.40-30Next46 C.F.R. § 31.40-40