Civil Code Article 1063
This English translation was last updated on 2021-01-20, but the Chinese text was amended on 2026-08-17. Later amendments may not be reflected in the translation — please refer to the Chinese text.
Where the wife conceives during the continuance of a marriage relationship, a child so born is presumed to be legitimate.In regard to presumption of legitimacy provided in the preceding paragraph, either the husband, the wife, or the child may bring an action for disavowal if he or she can prove that the child was born out of wedlock.A disavowal pursuant to preceding paragraph shall be effected within two years after one of spouses has the knowledge that the child was born out of wedlock or after the child has the knowledge that he/she was born out of wedlock, except that the child, who has the knowledge that he/she was born out of wedlock when he/she was a minor, can still file the disavowal within two years after he/she reaches maturity.
中文原文 民法第1063條
妻之受胎，係在婚姻關係存續中者，推定其所生子女為婚生子女。
前項推定，夫妻之一方或子女能證明子女非為婚生子女者，得提起否認之訴。
前項否認之訴，夫妻之一方自知悉該子女非為婚生子女，或子女自知悉其非為婚生子女之時起二年內為之。
但子女於未成年時知悉者，仍得於成年後二年內為之。
前項推定，夫妻之一方或子女能證明子女非為婚生子女者，得提起否認之訴。
前項否認之訴，夫妻之一方自知悉該子女非為婚生子女，或子女自知悉其非為婚生子女之時起二年內為之。
但子女於未成年時知悉者，仍得於成年後二年內為之。