1) An assessment shall be paid by an employer to the commissioner within 30 days after the date of the notice of assessment or, with the approval of the commissioner, in such instalments and at such times and on such conditions as the commissioner may determine.
2) Interest is payable on an overdue assessment at a rate determined by the Director-General, which shall not exceed the prevailing standard rate of interest as defined in section 1 of the Exchequer Act, 1975 (Act No. 66 of 1975).