Rule 50 of the Principal Rules is amended by inserting after subrule (12) the following subrule:(13) If the holder of a fishing licence (abalone dive) is required to pay an amount to the Crown for excess abalone under subrule (9)(b) or subrule (10) , that amount must be paid within (a) 30 days after the licence holder has been notified by the Secretary that the licence holder has excess abalone for that quota period; or(b) such greater period, if any, as the Secretary determines.