(1) A worker who is receiving weekly payments may apply in writing to the Authority or self-insurer for an increase or reduction in the amount of the payments.
(2) An application under subsection (1) must—
(a) specify the reasons for so applying; and
(b) be accompanied by any supporting evidence.
(3) Within 28 days after receiving an application, the Authority or self-insurer must—
(a) approve or reject the application; and
(b) give the worker and the employer written notice of its decision, including, in the case of rejection, a statement of the reasons for the decision.