521.8. A civil union regime may be created by and any kind of stipulation may be made in a civil union contract, subject to the imperative provisions of law and public order.
Spouses who, before the solemnization of their civil union, have not so fixed their civil union regime are subject to the regime of partnership of acquests.
Civil union regimes, whether legal or conventional, and civil union contracts are subject to the same rules as are applicable to matrimonial regimes and marriage contracts, with the necessary modifications.