46 C.F.R. § 64.79 Inspection of pressure and vacuum relief device.
Title 46 - Shipping
(a) The inspection of the pressure and vacuum relief device required in §64.77(a) must include— (1) Disassembling; (2) A visual inspection for defective parts; and (3) A test of the accuracy of the pressure setting. (b) If the pressure and vacuum relief valve passes the inspection required in paragraph (a) of this section, the owner or his representative may attach to the device a metal tag containing the date of the inspection.
Title 46: Shipping
PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS
Subpart E—Periodic Inspections and Tests of MPTs
§ 64.79 Inspection of pressure and vacuum relief device.

