Northern Territory Consolidated Acts49C. Apportionment in practice
(1) Subject to this section, a premium or an amount is to be apportioned in accordance with the Schedule of Apportionment adopted for the time being.
(2) An insurer or an insured person may apply to the Commissioner to apportion a premium or an amount on a basis other than that provided by the Schedule of Apportionment and the Commissioner may apportion the premium or amount on the other basis.
(3) If the Commissioner is not satisfied that a premium paid or another amount in relation to a policy of insurance or life policy has been properly apportioned for each risk insured, the Commissioner may determine the apportionment, reassess the liability to duty and charge duty accordingly.