272Approved method of ballast water management

272  Approved method of ballast water management   Ballast water discharged from a vessel has been managed for discharge if:  (a) the ballast water has been managed using a method of ballast water management approved for the purposes of section 273 or 274; and  (b) at the time the ballast water is discharged, the vessel has appropriate ballast water records; and  (d) the requirements (if any) prescribed by the determination under section 308A are met in relation to the management and discharge of the ballast water. Note 1: For when a vessel has appropriate ballast water records, see section 295. Note 2: The determination may prescribe matters by reference to other instruments as in force or existing from time to time (see section 308).