46 CFR § 64.31
Inspection opening
April 15, 2021
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]