Civil Code (Cap. 16), article 997

997. Where the thing which a person has by successive agreements undertaken to give or deliver to two or more persons is movable by nature, or a document of title payable to bearer, th e person to whom the thing is delivered, and who obtains it in go od faith, shall have a prior right over the other or others and sh all be entitled to retain it, even though his title is subsequent in d ate. 234 [CAP. 16. CIVIL CODE Contracting party is presumed to stipulate for himself, his heirs, etc.