In this article i have compiled an overview of properties in the private law liabilities and entitled cambial. Obligated in a broad sense is legal in the content of that report which go right to the subject called active lender to borrower called passive subject and corresponding addressable is a commitment-Yes, do or not do something, under the State sanctions in case of non-performance by yourself. The effect of such obligations is right that it confers to the creditor to claim and get the exact fulfillment of his debtor to which it is bound. Enforcement of obligations can be achieved through two main modes: execution of direct or indirect in nature and execution or equivalent. The law grants special attention regulating, specifically, the payment will be and how it can be accurate: subject of payment, the persons who may request, in what terms and conditions payment modalities, is discharge all liability and means of payment for procedures in case of refusal.