Chương 3. Ngăn Trở Tiêu Hôn Nói Riêng (Điều 1083-1094)

§1 A man cannot validly enter marriage before the completion of his sixteenth year of age, nor a woman before the completion of her fourteenth year.
§2 The Episcopal Conference may establish a higher age for the lawful celebration of marriage.

§1 Antecedent and perpetual impotence to have sexual intercourse, whether on the part of the man or on that of the woman, whether absolute or relative, by its very nature invalidates marriage.
§2 If the impediment of impotence is doubtful, whether the doubt be one of law or one of fact, the marriage is not to be prevented nor, while the doubt persists, is it to be declared null.
§3 Without prejudice to the provisions of can. 1098, sterility neither forbids nor invalidates a marriage.

§1 A person bound by the bond of a previous marriage, even if not consummated, invalidly attempts marriage.
§2 Even though the previous marriage is invalid or for any reason dissolved, it is not thereby lawful to contract another marriage before the nullity or the dissolution of the previous one has been established lawfully and with certainty.

§1 A marriage between two persons, one of whom was baptized in the Catholic Church or received into it, and the other of whom is not baptized, is invalid. [Revised wording according to m.p. Omnium in mentem, 26.X.2009]
§2 This impediment is not to be dispensed unless the conditions mentioned in cann. 1125 and 1126 have been fulfilled.
§3 If at the time the marriage was contracted one party was commonly understood to be baptised, or if his or her baptism was doubtful, the validity of the marriage is to be presumed in accordance with can. 1060, until it is established with certainty that one party was baptised and the other was not.

Those who are in sacred orders invalidly attempt marriage. [On the question of sacraments celebrated by a priest who has attempted marriage see Declaration of the Dicastery for Legislative Texts, 19.V.1997]

Those who are bound by a public perpetual vow of chastity in a religious institute invalidly attempt marriage.

No marriage can exist between a man and a woman who has been abducted, or at least detained, with a view to contracting a marriage with her, unless the woman, after she has been separated from her abductor and established in a safe and free place, chooses marriage of her own accord.

§1 One who, with a view to entering marriage with a particular person, has killed that person’s spouse, or his or her own spouse, invalidly attempts this marriage.
§2 They also invalidly attempt marriage with each other who, by mutual physical or moral action, brought about the death of either’s spouse.

§1 Marriage is invalid between those related by consanguinity in all degrees of the direct line, whether ascending or descending, legitimate or natural.
§2 In the collateral line, it is invalid up to the fourth degree inclusive.
§3 The impediment of consanguinity is not multiplied.
§4 A marriage is never to be permitted if a doubt exists as to whether the parties are related by consanguinity in any degree of the direct line, or in the second degree of the collateral line.

Affinity in any degree of the direct line invalidates marriage.

The impediment of public propriety arises when a couple live together after an invalid marriage, or from a notorious or public concubinage. It invalidates marriage in the first degree of the direct line between the man and those related by consanguinity to the woman, and vice versa.

Those who are legally related by reason of adoption cannot validly marry each other if their relationship is in the direct line or in the second degree of the collateral line.