46 CFR § 69.57
Gross tonnage ITC
April 15, 2021
Gross tonnage ITC (GT ITC) is determined by the following formula GT ITC = K1 V, in which V = total volume of all enclosed spaces in cubic meters and K1 = 0.2 + 0.02 log10 V.
[CGD 87-015b, 54 FR 37657, Sept. 12, 1989, as amended by USCG-2011-0522, 81 FR 18721, Mar. 31, 2016]