IMPLEMENTASI ADAT BASANDI SYARAK, SYARAK BASANDI KITABULLAH OLEH KERAPATAN ADAT PADA PEWARISAN KETURUNAN TIONGHOA

<em>This research is an empirical juridical legal research, by identifying unwritten law which analyze the role of institution of Costumary Institution Minangkabau in Bukittinggi on solving anak nagari customary heritage conflict which nagari overseas chineese sons. Practically and based on facts, beside supported by library research. Through the field research, primary data, which related to the role of institution of Costumary Institution Minangkabau in Bukittinggi in solving anak nagari customary heritage conflict which, nagari overseas chineese sons were gained, together with practices and the problem solving. After collecting data, next is analyzing secondary data. In this research we can see that solving through institution Costumary Institution of Minangkabau in Bukittinggi is extremely more dominant, compare to district court for nagari overseas chineese sons the though the law of custom heritage which develop in Bukittinggi is very deeply influenced by system of Islamic law, that made the mechanism of solving custom heritage in Bukittinggi through institution of Costumary Institution Minangkabau, used many ijtihad method in Islamic heritage law as a form of adaptability of Islamic heritage law in Bukittinggi’s heritage customary law.