(1) A worker may claim compensation under this Act.
(2) A claim for weekly compensation must be accompanied by a medical certificate from—
(a) for a claim that relates to an imminently fatal asbestos-related disease—a doctor prescribed by regulation; or
(b) for any other claim—a doctor.
(3) Failure to make a claim under this Act does not prevent the recovery of compensation if it is found that the failure was caused by ignorance, mistake or other reasonable cause.