An injured worker or the worker's employer may file an application for the arbitration of—
(a) a matter in issue arising from the worker's claim for compensation only if—
(i) the worker or employer has asked a conciliator to help the parties reach agreement on the matter; and
(ii) the parties have attended the conciliation; and
(iii) either the matter was not resolved at the conciliation or the conciliator decided that the matter was not suitable for conciliation; or
(b) the insurer's rejection of the worker's claim for compensation.