Article 131Family Code, Art. 131

Whenever the liquidation of the conjugal partnership properties of two or more marriages contracted by the same person before the effectivity of this Code is carried out simultaneously, the respective capital, fruits and income of each partnership shall be determined upon such proof as may be considered according to the rules of evidence. In case of doubt as to which partnership the existing properties belong, the same shall be divided between the different partnerships in proportion to the capital and duration of each. (189a)