(A) A child, a child’s natural mother, a man alleged or alleging himself to be the father, a child’s guardian, a child’s personal representative, the Karuk Tribe, or any interested party may bring an action at any time for the purpose of declaring the existence or nonexistence of the father and child relationship.
(B) A man presumed to be a child’s father under this article may bring an action for the purpose of declaring the nonexistence of the father and child relationship only if the action is brought within a reasonable time after obtaining knowledge of relevant facts. After the presumption has been rebutted, paternity of the child by another man may be determined in the same action, if he has been made a party.
(C) Regardless of its terms, no agreement between an alleged or presumed father and the mother or child, shall bar an action under this article.
(D) If an action under this article is brought before the birth of the child, all proceedings may be stayed until after the birth, except service of process and discovery, including the taking of depositions to perpetuate testimony.
(E) Actions under this article may be maintained as to any child, whether born before or after the enactment of this article.