(a) When application of this subpart to a novel type vessel produces unreasonable or impractical results, the Commandant may determine a more suitable method of measurement.
(b) Requests for a determination must be submitted to the Commandant, explaining the problem, and including plans and sketches of the spaces in question. [CGD 87-015b, 54 FR 37657, Sept. 12, 1989, as amended by CGD 97-057, 62 FR 51045, Sept. 30, 1997; USCG-1999-6216, 64 FR 53225, Oct. 1, 1999]