Delaware Code
Subchapter III. Voluntary Acknowledgement of Paternity
§ 8-307. Proceeding for rescission.

A signatory may rescind an acknowledgment of paternity or denial of paternity by commencing a proceeding to rescind before the earlier of:

(1) Sixty days after the effective date of the acknowledgment or denial, as provided in § 8-304; or
(2) The date of the first hearing, in a proceeding to which the signatory is a party, before a court to adjudicate an issue relating to the child, including a proceeding that establishes support.