S.C. Code Regs. 8-926
S.C. Code Regs. 8-926. IFC Section 6110.1 Removed from service
Containers not connected for service at customer locations. LP-gas containers at customer locations that are not connected for service shall comply with all of the following:
1. Have LP-gas container outlets, except relief valves, closed and plugged or capped.
2. Be positioned with the relief valve in direct communication with the LP-gas container vapor space.