(1) If:
(a) the Registrar is collecting amounts due to the Commonwealth under, or in relation to a registered maintenance liability, by deduction from the salary or wages of the payer of the liability; and
(b) the Registrar becomes aware, other than by means of a notice referred to in paragraph 42B(1)(a) or (b), that the period of the payer's pay cycle is different from the payment period entered in the Child Support Register under paragraph 26(2)(b) in respect of the payer;
the Registrar may vary the particulars in the Child Support Register by deleting the period in the Register and substituting another payment period and start day of the period.
(2) The period that the Registrar must register in substitution is the payment period that reflects the payer's pay cycle. The start day that the Registrar must register is the day specified by the Registrar as the start day of the period.
Note: For payment period see subsection 4(1).