Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) An ATS provider must not discontinue an air traffic service that it provides, unless it has given CASA at least 7 days written notice that the service is to be discontinued.
(2) Subregulation (1) does not apply if, having regard to the provider's circumstances:
(a) it was not reasonably practicable for the provider to give to CASA at least 7 days notice; and
(b) the provider gives the notice as soon as reasonably practicable before, on or after the day when the service is discontinued.
Subpart 172.E -- Miscellaneous