:- In a marriage, wealth is a necessity that must be owned, because it supports daily life. Marriages are not only carried out by fellow citizens of the country, but there are also those who carry out inter-state marriages or mixed marriages. So that before making a marriage between an Indonesian citizen and a foreign citizen, they must first make a marriage agreement regarding the separation of assets. The separation of assets in question, such as ownership of land and building rights, is stipulated in Article 29 of Law Number 1 of 1974 concerning Marriage. The agreement was made so that the wealth of economic value resulting from the existence of a mixed marriage can be protected. In realizing a sense of justice, legal certainty.

Keywords : Wealth, Mixed Marriage