You are allowed to make an agreement to opt-out of the rules for equal division of family property and debt in the Family Law Act.
You can make an agreement about what will happen with your property and debt after separation, including making an agreement to:
You can make an agreement about how you will divide your property and debt at any time in your relationship.
If you have a written agreement about division of property or debt and it is signed and witnessed, the court will likely not change it. The court can only make an order different from your agreement in limited circumstances, such as if the agreement: