US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 69 — MEASUREMENT OF VESSELSSubpart B — Convention Measurement System69.6346 C.F.R. § 69.63Net tonnage ITC.Last amended: 2016Year: 2026Length: 17 wordsOfficial source Cite as 46 C.F.R. § 69.63 (2026)Net tonnage ITC (NT ITC) is determined by the formula: [USCG-2011-0522, 81 FR 18721, Mar. 31, 2016]Previous46 C.F.R. § 69.61Next46 C.F.R. § 69.65