On the muamalah side, Islamic law has changed due to social changes. Muamalah activities that consist of cooperation in experiencing changes in line with the needs of the time and place where it was inhabited by a group of humans. In cooperation, especially in the form of syirkah wujuh, from the beginning the main capital in this cooperation consists of “trust” as stated in Article 140 paragraph (1) compilation of Sharia Economic Law (KHES). In the development of parties that include Trust Capital there is a tendency to dominate other parties that include capital assets or goods. For this reason, it modifies by repositioning parties that include “Trust” Capital with the aim of realizing justice, namely balance in terms of profits and losses. This research method is in the form of Juridical-normative which emphasizes literature review (lebrari research) with a legislative and conceptual approach. The results of this study concluded that the party with the Capital “Trust” is positioned as a guarantor of cooperation dalan management of agricultural products. The repositioning is allowed in muamalah activities in accordance with the rules of jurisprudence made by fuqaha: “the change of fatwa due to changes in time, place, circumstances (intention) and Customs.” By repositioning, Islamic law becomes dynamic within the scope of muamalah, and is able to adapt, so that Islamic law is op tu date in accordance with the Times and needs of the community.