(a) a
medical certificate certifying as to the person's fitness for work, and
(b)
an authority given by the person authorising a provider of treatment or other
services to the person in connection with the injury to give the insurer
information regarding the treatment or service provided or the person's
condition or treatment relevant to the injury.
(2) If a person fails to
comply with a requirement under this section within 14 days (or other period
prescribed by the regulations) after the requirement is communicated to the
person by the insurer, the insurer may suspend payment of weekly payments of
statutory benefits to the person under this Division during any period that
the failure to comply continues. The person forfeits his or her entitlement to
weekly payments during the period of any such suspension.