53AAssessment under this Division is final assessment of impairment

53A Assessment under this Division is final assessment of impairment (1) Subject to subsection (2), if a worker is assessed in accordance with this Division to determine the degree of impairment of the worker arising from one or more injuries, that assessment is the final assessment of the worker's degree of impairment arising from that injury or those injuries for the purposes of this Act. (2) If a worker is to be assessed in accordance with this Division for the purposes of a claim under section 164A in respect of an injury for which the worker has undergone surgery— (a) despite subsection (1), the worker may be reassessed in accordance with this Division; and (b) the reassessment is the final assessment of the worker's degree of impairment arising from that injury for the purposes of this Act.