(1) Where:
(a) but for this subsection, an amount is payable, by way of penalty, by a person to the Registrar under this Part because of an act or omission of the person; and
(b) a prosecution is instituted against the person for an offence against this Part constituted by the act or omission;
the amount is not payable unless and until the prosecution is withdrawn.
(2) Where:
(a) a person is liable to pay, by way of penalty, an amount (in this subsection called the penalty amount ) to the Registrar under this Part because of an act or omission of the person;
(b) an amount (in this subsection called the credited amount ) is paid, or applied by the Registrar, in total or partial discharge of the liability; and
(c) a prosecution is instituted against the person for an offence against this Part constituted by the act or omission;
the credited amount shall be refunded to the person, or applied by the Registrar in total or partial discharge of a debt due to the Commonwealth by the person under this Act, but, if the prosecution is withdrawn, the person again becomes liable to pay the penalty amount.