(1) If the Registrar is satisfied by statutory declaration or otherwise that the Registrar may grant a rebate of 40% of the motor tax that would, but for this subregulation, be payable in respect of the truck.(a) the registered operator of a truck with a GVM not exceeding 4.5 tonnes is a pensioner; and(b) the registered operator does not intend to use the truck, or allow it to be used, for the purposes of a trade or business (2) Unless the Registrar otherwise determines, if a pensioner is the registered operator of more than one truck, the rebate under subregulation (1) may only be granted in respect of one of those trucks.(3) If during a period for which a rebate is granted under this regulation the entitlement to the rebate ceases.(a) the registered operator of the truck ceases to be a pensioner; or(b) the registered operator changes so that a person who is not a pensioner becomes the registered operator of the truck; or(c) the truck is used or let on hire for the purposes of a trade or business (4) If the entitlement to the rebate ceases, the registered operator of the truck must, within 14 days (a) give the Registrar written notice of the cessation of the entitlement; and(b) if the Registrar so requires, pay to the Registrar a proportion of the rebate calculated in accordance with subregulation (5) .Penalty: Fine not exceeding 10 penalty units.(5) The amount to be paid to the Registrar is to be calculated in accordance with the following formula: where A is the amount to be paid;N is the number of days remaining of the period for which the rebate was granted at the time the entitlement ceased;D is the number of days in the period for which motor tax was paid; andR is the amount of the rebate.