Article 573. Personal property of each spouse

(1) Property that belonged to the spouses before the conclusion of marriage, as well as acquired by them during marriage based on a donation contract, by way inheritance or otherwise free of charge, are the exclusive property os the spouse to whom it belonged to who acquired it.
(2) Property of personal use (clothing, footwear, and the like), except for jewelry and other luxury objects, is the personal property of the spouse who uses it, even if acquired during marriage out of common funds of the spouses.
(3) Property of each spouse may be declared common undivided property if it is found that during marriage investments have been made out of their common funds which significantly increased the value of such property.