Section 134.100 - Applicability(a) This part, as well as parts 125 through 133 of this subchapter, applies to each liftboat of United States flag to which this subchapter applies.(b) The design, construction and operating standards for liftboats of at least 6,000 GT ITC (500 GRT if GT ITC is not assigned) must be specially approved by Commandant (CG-5PS).USCG-2012-0208, 79 FR 48938 , Aug. 18, 2014