(1) You are entitled to a credit if:
(a) you have a credit entitlement under this section; and
(b) you are not * registered or * required to be registered; and
(c) no one else has made a valid claim for a credit in relation to the credit entitlement.
(2) You have a credit entitlement if:
(a) luxury car tax on a supply to you was overpaid (that is, the supplier paid an amount of luxury car tax that was not legally payable); and
(b) you have * borne the overpaid luxury car tax.
(3) You have a credit entitlement if you have * borne luxury car tax on a supply of a * car for which you could have * quoted except that you were not * registered at the time of the supply.
(4) You have a credit entitlement if you have paid luxury car tax on the * importation of a * luxury car for which you could have * quoted except that you were not * registered at the time of the importation.
(5) The amount of the credit is the amount of:
(a) overpaid luxury car tax * borne by you; or
(b) luxury car tax that would not have been payable by the supplier had you * quoted for the supply in question and that was borne by you; or
(c) luxury car tax that you would not have paid had you quoted for the * importation in question;
but only to the extent that you have not * passed on that amount or have not already been credited in respect of that amount.