(1) Subject to subsection (2), the weekly amount of compensation under section 217 that the Commonwealth is liable to pay for attendant care services is the lesser of the following amounts:
(a) the weekly amount paid or payable for those services;
(b) $330.
Note: The amount of $330 is indexed under section 404.
(2) If the service injury or disease referred to in paragraph 217(1)(a) is a catastrophic injury or disease, the weekly amount of compensation under section 217 that the Commonwealth is liable to pay for attendant care services is such amount as the Commission determines to be reasonable in the circumstances.