46 C.F.R. § 64.31 Inspection opening.
Title 46 - Shipping
An MPT must have an inspection opening that is designed in accordance with Division 1 of section VIII of the ASME Code. [CGD 73–172, 39 FR 22950, June 25, 1974, as amended by CGD 84–043, 55 FR 37410, Sept. 11, 1990]
Title 46: Shipping
PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS
Subpart B—Standards for an MPT
§ 64.31 Inspection opening.
