In addition to and without limiting Division 5 of Part 2 of the Infringements Act 2006 , if an infringement notice is not withdrawn and the person pays the penalty shown in the infringement notice—
(a) within the time stated in the notice; or
(b) if the enforcement officer allows, at any time before the service of a summons in respect of the offence—
any debt that arose under this Part as a result of the person driving in the toll zone on the day of the offence in the vehicle that was the subject of the offence is extinguished.