Musharaka is a contract between the Islamic bank and the customer under which the bank and the customer each providing capital for a specific project. All providers of capital stock are eligible for management of the funded activity, but there are not necessarily required. Les terms of profit sharing are predefined by mutual consent in the contract. The terms of distribution of profits made is in proportion. Reimbursement follows an amortization table which includes, besides the main capital, the profits drawn by the bank for this transaction. Possible losses are shared according to the proportion of its respective contribution of each co-shareholder in the inflow of invested capital.