58   Liability not affected

None of the following things done by an insurer or employer constitutes an admission of liability by the employer or insurer under this Act or independently of this Act:

(a)  anything done under or for the purposes of an injury management program or injury management plan,

(b)  anything done in connection with the assessment of an injured worker for rehabilitation or for employment or the provision or arrangement of services or other measures for the rehabilitation or suitable employment of injured workers (whether done under a return-to-work program or otherwise).