13 Del. C. § 8-609: Limitation: Child having acknowledged or adjudicated father [Effective until Dec. 6, 2026].

(a) If a child has an acknowledged father, a signatory to the acknowledgment of paternity or denial of paternity may commence a proceeding seeking to rescind the acknowledgment or denial or challenge the paternity of the child only within the time allowed under §§ 8-307 or 8-308 of this title.

(b) If a child has an acknowledged father or an adjudicated father, an individual who is neither a signatory to the acknowledgment of paternity nor a party to the adjudication and who seeks an adjudication of paternity of the child must commence a proceeding not later than 2 years after the effective date of the acknowledgment or adjudication.

(c) A proceeding under this section is subject to the application of the principles of estoppel established in § 8-608 of this title.