Marriage beetween Indonesian citizens and foreigner citizens, in national law code, named by mixed marriage which experience mean change, since the progressive code no. 1, 1974 about marriage. So before progress the code No. 1, 1974, the meaning of mixed marriage oriented on Regeling op de Gemengde Hewelijken (Staalbalt 1898 No. 158) in RGH said that mixed marriage is marriage between people in Indonesia to obey in another law. A person obey another law could be happened because of difference of law (marriage between country). Mixed marriage between citizens causes the effect of law rightly a marriage such as marriage couple’s right and obligation. Beside that, it brings effect in new citizens status to married couple and it also lost their citizenship.