I.Identification (Basic Concept/ Principles) 1. Natural or juridical susceptible of being the subject of legal relations. . The fitness to be the subject of legal relations. . The power to do acts with legal effects. . Rule of conduct promulgated by legislative power and obligatory to all. 5. Incorporated to the principal naturally or artificially. 6. Added to the principal for its completeness. 7. Non-compliance of obligation when it falls due. 8 9 ROOM . The thing perishes with the owner rule. . Negligence where there is no existing contract between the parties. 10. Deliberate act of evading the normal compliance of an obligation. 11. One in which a debtor may validly pay a monetary obligations. 12. Means no partial payment or performance is allowed. 13. Debtor abandons all his property to his creditor for them to sell. 14. The deposit of a thing in legal form when the creditor refuses to accept or cannot receive it. 15. The legal basis of quasicontracts. 16. One person becomes the debtor and creditor of himself. 17. Two persons became debtor and creditor of each other. 18. Gratuitous abandonment by the creditor of his rights. 19. Change in the subject of an obligation. 20. Extinguishment of obligation by passage of time. KINDS OF OBLIGATIONS: 21. a. Not legally enforceable. / In accordance with natural law. b. legally enforceable. / In accordance with positive law. c. In accordance with both natural and positive law. 22. a. Obligation governed by the Civil code. b. obligation governed by the Code of Commerce and other special laws. 23. a. An obligation without a condition or terms. b. An obligation whose efficacy depends of the fulfillment, or non- fulfillment of a future and uncertain event. c. An obligation subject to a term. 24. a. In either case, the obligation is demandable at once. 25. a. Obligation wherein only one party is liable. b. Obligation wherein obligation is pro-rated among the parties. c. Obligation wherein each party is entitled to or liable for the