(1) If--
(a) under part 4, division 6, the period of the work program for a GHG permit has been extended; and
(b) the work program is not finished on or before the day on which the extended period ends;
its holder must relinquish a part of the original sub-blocks of the GHG permit that the Minister is satisfied corresponds to the amount of the work under the work program that was not finished.
(2) The holder must give the chief executive written notice of the relinquishment within 20 business days after the end of the extended period.
(3) If the holder does not comply with subsection (2), the Minister may take action under section 379(1)(b).