(1) The provider must not discontinue any training relating to air traffic services that is covered by its approval, unless it has given CASA at least 28 days written notice that the training 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 28 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.