(1) He and the child’s natural mother are or have been married to each other and the child was born during the marriage, or within 300 days after the marriage was terminated by death, annulment, declaration of invalidity, divorce, or dissolution, or after a decree of separation is entered by a court;

(2) Before the child’s birth, he and the child’s natural mother attempted to marry each other by a marriage solemnized in apparent compliance with law, although the attempted marriage is or could be declared invalid, and the child is born within 300 days after the termination of cohabitation;

(3) While the child is under the age of majority, he receives the child into his home and openly holds out the child as his own;

(4) Both parents have acknowledged the man’s paternity of the child in a writing filed with the Office of Vital Statistics of the state of California, or the Yurok Tribe Enrollment Department;

(5) After the child’s birth, he and the child’s natural mother have married, or attempted to marry each other by a marriage solemnized in apparent compliance with law, although the attempted marriage is or could be declared invalid; and

(6) Statistical probability of paternity is established at 98 percent or more by scientifically reliable blood, genetic or DNA tests. The Court can condition orders or proceedings on the requirements that the parties involved test pursuant to this provision; or

(7) He signed the child’s birth certificate.