68E+WIf a maintenance agreement includes a provision purporting to restrict any right to apply to a court for an order containing financial arrangements—
(a)that provision is void, but
(b)any other financial arrangements contained in the agreement—
(i)are not void or unenforceable as a result, and
(ii)unless void or unenforceable for any other reason, are (subject to paragraphs 69 and 73) binding on the parties to the agreement.