Add a new second sentence to read as follows: &quot; Pressure relief valves for closed cryogenic receptacles shall be subject to periodic inspections and tests according to the provisions of 6.2.6.1.3 and packing instruction P203. &quot; .
Add a new second sentence to read as follows: &quot; Pressure relief valves for closed cryogenic receptacles shall be subject to periodic inspections and tests according to the provisions of 6.2.6.1.3 and packing instruction P203. &quot; .