The Prenuptial agreement reference article from the English Wikipedia on 24-Apr-2004
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Prenuptial agreement

A prenuptial agreement, commonly abbreviated to prenup, is a contract entered into by two people prior to marriage or civil union. The content of a prenuptial agreement can vary widely, but commonly includes provisions for the division of property should the couple divorce and any rights to spousal support during or after the dissolution of marriage.

Prenuptial agreements were made legal in Australia after the Family Law Act was altered in December 2000.