(1) The Regulator may, by written determination, vary the 2008 WCMG limit for an accredited power station.
(2) The Regulator must make a determination in accordance with guidelines prescribed in the regulations.
Increase in limit
(3) If a determination increases the 2008 WCMG limit for an accredited power station, the determination has effect for the year or years specified in the determination.
Decrease in limit
(4) If a determination decreases the 2008 WCMG limit for an accredited power station, the determination has effect only for the years following the year in which the determination is made.