OBS_VALUE: Under Section 28A (h) of the Civil Aviation Act 1988, for a foreign aircraft that is to be leased, the operator can be required to provide the Civil Aviation Safety Authority (CASA) with a description of the lease provisions. Under the Civil Aviation Orders (CAO) 82.1, CAO 82.3 and CAO 82.5, aircraft lease details and conditions must be reviewed and approved by CASA. 