Idaho Code § 7-1106
(1) A voluntary acknowledgment of paternity for an Idaho birth shall be admissible as evidence of paternity and shall constitute a legal finding of paternity upon the filing of a signed and notarized acknowledgment with the vital statistics unit of the department of health and welfare. If the mother was married at the time of either conception or birth, or between conception and birth, and the husband is not the father of the child, the husband may file an executed and notarized affidavit of nonpaternity if it is accompanied by a voluntary acknowledgment of paternity signed and notarized by the mother and the alleged father. Any party executing an acknowledgment of paternity or affidavit of nonpaternity may file a notarized rescission of such with the vital statistics unit within the earlier of:
(b) The date of an administrative or judicial proceeding relating to the child, including a proceeding to establish a support order, in which the signatory is a party.
Such rescission shall be effective upon filing with the vital statistics unit. The vital statistics unit shall notify the other party or parties of the rescission by certified mail.
[7-1106, added 1969, ch. 93, sec. 5, p. 318; am. 1988, ch. 132, sec. 2, p. 235; am. 1994, ch. 237, sec. 1, p. 746; am. 1995, ch. 234, sec. 1, p. 791; am. 1996, ch. 49, sec. 1, p. 144; am. 1998, ch. 106, sec. 1, p. 363.]