(1) This section applies if this part applies to a matter for a period and a corresponding law applies for another period.
(2) If this part applied to a matter for a period and a corresponding law applies to the matter afterwards, this part continues to apply in relation to legal costs (if any) incurred while this part applied to the matter.
(3) If a corresponding law applied to a matter for a period and this part applies to the matter afterwards, this part does not apply in relation to legal costs (if any) incurred while the corresponding law applied to the matter, so long as the corresponding law continues to apply in relation to the costs.
(4) However—
(a) the client may sign a written agreement with the law practice that the cost review provisions of this part are to apply in relation to all legal costs incurred in relation to the matter, and division 3.2.7 (Costs review) accordingly applies in relation to the costs; or
(b) the client may sign a written agreement with the law practice that the cost review provisions of a corresponding law are to apply in relation to all legal costs incurred in relation to the matter, and division 3.2.7 accordingly does not apply in relation to the costs.
(5) This section has effect despite any other provisions of this part.