(a) As used in this section, "regular working hours" means Monday through Friday, 8 a.m. to 5 p.m. except holidays.
(b) Each LPG operator and landfill gas operator of a system shall furnish a written explanation to each customer of a system of the procedure to be used to report gas leaks and other related emergencies including:
(1) A telephone number at which the operator can be contacted during regular working hours;
(2) A telephone number for reporting emergencies during nonworking hours; and
(3) The telephone numbers of emergency response agencies, including, without limitation, the local police and fire departments.
(c) The procedure shall be updated and reissued as often as is necessary, but at least once each calendar year.