(1) A natural gas company shall terminate service to a master-meter system or a pipe-line facility within a master-meter system when the company makes both of the following determinations:(a) In accordance with rules adopted under division (G) of this section, that an unsafe condition, gas leak, or other safety hazard on that system or pipe-line facility poses an immediate or significant danger to life or health which requires immediate corrective action to protect the public safety;(b) That the operator of the master-meter system has not taken immediate and sufficient corrective action.A natural gas company that so terminates service shall provide the operator of the master-meter system or its agent with personal notice, or with written notice on the premises if the operator or agent is not found on the premises, and shall post written notice in common areas, multi-unit buildings, or other conspicuous locations on the premises.