North Dakota Century Code Title 14. Domestic Relations and Persons § 14-20-10. Presumption of paternity

a. He and the mother of the child are married to each other and the child is born during the marriage;

b. He and the mother of the child were married to each other and the child is born within three hundred days after the marriage is terminated by death, annulment, declaration of invalidity, divorce, or after a decree of separation;

c. Before the birth of the child, he and the mother of the child married each other in apparent compliance with law, even if the attempted marriage is or could be declared invalid, and the child is born during the invalid marriage or within three hundred days after its termination by death, annulment, declaration of invalidity, divorce, or after a decree of separation;

d. After the birth of the child, he and the mother of the child married each other in apparent compliance with law, whether or not the marriage is or could be declared invalid, and he voluntarily asserted his paternity of the child, and:

e. For the first two years of the child's life, he resided in the same household with the child and openly held out the child as his own.