Article 1046
Foster - relationship is the same as relationship by blood as far as impediments to marriage are concerned, provided that: Firstly - The milk of the woman takes its source from a legitimate conception. Secondly - The milk is sucked directly from the breast. Thirdly - The child has at least had full milk for 24 hours (one night and on day) or for 15 consecutive times without taking in between any other food or milk of another woman. Fourthly - The child has taken the milk before it has reached the full age of two years (from its birth): and Fifthly - The milk taken by the child is from the same woman with the same husband. If, therefore, a child takes during twenty - four hours some milk from one woman and some from another, this fact does not debar marriage even if the two women have a common husband. In the same way, if a woman has a foster - daughter and a foster - In the same way, if a woman has a foster-daughter and a foster - son whom she has milked each from the milk belonging to a separate husband, that son and daughter cannot be considered as foster brother and sister and their marriage is not prohibited for this reason.