(1) Subject to this section, financial support is to be provided in accordance with the guidelines.

(2) Subject to subsection (3), financial support in respect of which there are no relevant guidelines may be provided if the value of the support in each case does not exceed the maximum amount prescribed by the regulations for the purpose of this subsection.

(3) Financial support in the form of a guarantee, indemnity or concession (whether or not in accordance with the guidelines) may be provided only if the prior written approval of the Treasurer is obtained in each case.

(4) Financial support which could not otherwise be provided under this section may be provided if the prior written approval of the Treasurer is obtained in each case.

(5) Despite anything else in this section, financial support in the form of a concession is subject to any written law imposing, or relating to, the tax, duty or charge to which the concession applies and may be provided only with the agreement of the Minister responsible for the administration of the written law.