BOOK IV OBLIGATIONS AND CONTRACTS Title. I. - OBLIGATIONS CHAPTER 1
GENERAL PROVISIONS Art. 1156. An obligation is a juridical necessity to give, to do or not to do. (n)
Art. 1157. Obligations arise from:
(1) Law;
(2) Contracts;
(3) Quasi-contracts;
(4) Acts or omissions punished by law; and
(5) Quasi-delicts. (1089a)
Art. 1158. Obligations derived from law are not presumed. Only those expressly determined in this Code or in special laws are demandable, and shall be regulated by the precepts of the law which establishes them; and as to what has not been foreseen, by the provisions of this Book. (1090)
Art. 1159. Obligations arising from contracts have the force of law between the contracting parties and should be complied with in good faith. (1091a)
Art. 1160. Obligations derived from quasi-contracts shall be subject to the provisions of Chapter 1, Title XVII, of this Book. (n)
Art. 1161. Civil obligations arising from criminal offenses shall be governed by the penal laws, subject to the provisions of Article 2177, and of the pertinent provisions of Chapter 2, Preliminary Title, on Human Relations, and of Title XVIII of this Book, regulating damages. (1092a)
Art. 1162. Obligations derived from quasi-delicts shall be governed by the provisions of Chapter 2, Title XVII of this Book, and by special laws. (1093a)

CHAPTER 2
NATURE AND EFFECT OF OBLIGATIONS Art. 1163. Every person obliged to give something is also obliged to take care of it with the proper diligence of a good father of a family, unless the law or the stipulation of the parties requires another standard of care. (1094a)
Art. 1164. The creditor has a right to the fruits of the thing from the time the obligation to deliver it arises. However, he shall acquire no real right over it until the same has been delivered to him. (1095)
Art. 1165. When what is to be