Cap. 16 · Civil Code (Cap. 16)
Cap. 16 Art. 580Commixture of several materials.
Sub-title III
(1) Where a thing has been formed by a mixture of different materials belonging to different owners, and such materials can be separated without injury, the owner who has not given his assent to the commixture, may demand separation.
(2) If the materials cannot be separated or if such separation cannot take place without injury, the thing created by the commixture becomes common property in proportion to the value of the materials belonging to each party.