46 C.F.R. § 64.67 Shutoff valve.
Title 46 - Shipping
A shutoff valve may not be located— (a) Between the tank opening and pressure relief device; or (b) On the discharge side of the pressure relief device.
Title 46: Shipping
PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS
Subpart C—Pressure Relief Devices and Vacuum Relief Devices for MPTs
§ 64.67 Shutoff valve.
