(1) If a declaration is made under section 100, the Authority must:
(a) as soon as practicable after the making of the declaration obtain a policy of insurance or indemnity from an authorised insurer for any amount of the Authority's liability under this Act that exceeds $1,000,000 for a single event which results in an injury to one or more employees; and
(b) have at all times after that time such a policy of insurance or indemnity.