LAW OF OBLIGATIONS
Obligation is a juridical necessity to give, to do or not to do (Art. 1156) Essential Requisites of obligation A juridical or legal tie , which binds parties to the obligation and which may arise either from bilateral or unilateral acts of persons. (also called vinculum, vinculum juris, efficient tie, efficient cause) An active subject known as the creditor or obligee, who can demand the fulfillment of the obligation; A passive subject known as the debtor or obligor from whom the obligation is juridically demandable; and The fact, prestation or service which constitutes the object or subject matter of the obligation; The act (not the thing or subject matter) to give or to do or not to do. SOURCES OF OBLIGATION Law - (example, the obligation to pay taxes); Contracts - When there is an agreement between contracting parties. Quasi-contracts - When they arise from lawful, voluntary and unilateral acts and which are enforceable to the end that no shall be unjustly enri...