(1) An ARFFS provider must ensure that notice is published in ERSA of the hours during which the service is available.
(2) If for some reason (such as an emergency on the aerodrome) it becomes temporarily impossible to provide an ARFFS to the standard required by this Subpart, the provider must tell the Australian NOTAM Office:
(a) of the reduction in the service; and
(b) how long it is likely to be before the full service is restored.
(3) The provider must tell CASA in writing of any proposed reduction in the standard of service that:
(a) will last longer than 24 hours; or
(b) reduces the standard of ARFFS provided at the airport
concerned to a greater extent than is permissible under Chapter 9 of
Annex 14 to the Chicago Convention.