(1) Without limiting its effect apart from this section, this Act also has effect as provided by this section.
(2) This Act also has the effect it would have if its operation in relation to product stewardship (oil) benefits were expressly confined to an operation limited to product stewardship (oil) benefits in relation to external affairs.
(3) This Act also has the effect it would have if its operation in relation to product stewardship (oil) benefits were expressly confined to an operation limited to product stewardship (oil) benefits in relation to taxation.