31.— (1) Any payment or tender made or any other thing done by one civil partner in or towards satisfaction of any liability of the other civil partner in respect of rent, mortgage payments or other outgoings affecting the shared home shall be as good as if made or done by the other civil partner, and shall be treated by the person to whom the payment is made or the thing is done as though it were made or done by the other civil partner.

(2) Nothing in subsection (1) affects any claim by the first-mentioned civil partner against the other to an interest in the shared home by virtue of the payment made or thing done.