Section 21(4) of the Principal Act is amended as follows:

(a) by omitting "red light offence or speeding offence" and substituting "red light offence, speeding offence, portable device offence, seatbelt offence or registration offence" ;

(b) by omitting from paragraph (a)(ii) "person; and" and substituting "person; or" ;

(c) by inserting the following subparagraphs after subparagraph (ii) in paragraph (a) :

(iii) in the case of a portable device offence, one of 2 or more portable device offences committed in succession by the convicted person; or

(iv) in the case of a seatbelt offence, one of 2 or more seatbelt offences committed in succession by the convicted person; or

(v) in the case of a registration offence, one of 2 or more registration offences committed in succession by the convicted person; and