摘要:This study took place within the entire autonomous region on the island of Lombok; which is in West Lombok regencylcity of Mataram; Lombok Central; and East Lombok District. Perhatan focus of this research is to find answers to "how the people on the island of Lombok; Sasak tribe resolve their business disputes; the procedures undertaken; and the legal rules that are used"; a series of problems to study. From the resuit; obtained by the findings that show the models out of court settlement of disputes between fellow citizens Sasak; including debt-related accounts; buying and selling cars; buying and selling of precious metals; with reference to the local values (the customs; habits; tradisis-traditional; religious values) are used as terms of reference the parties dispute to end the disputes. Results showed process fast; simple; easy and cheap that is based on principles of fairness; deliberation; the agreements that were led by religious leaders; community leaders as mediators. In this circuit; the parties dispute tends to avoid the courts to resolve disputes with reason "could damage the relationship of brotherhood" (social relations); in addition to the perception that only "those who were disputing only" who took the court mechanism. Within the above framework; this study refers to the theory of "Legal Pluralism" from Griffiths; the theory of "Semi-Autonomous Social Fields" from Sally Folk Moore; in addition to the theory of the "Living Law" from Erlich. All data obtained were processed according to the rules prevailing methodological qualitative research; and then analyzed to obtain a deep understanding of the important aspects implicit in a series of studies the object of dispute. Evaluation and data analysis take place simultaneously; with the final result of the conclusions; the arguments that give the foil picture of the whole process of studies showing the interrelation between the various research findings with the concept off act-theoretic grip author.