24 C.F.R. § 16.4
(d) The requirements for identification of individuals seeking access to records are as follows:
(1) In person. Each individual making a request in person shall be required to present satisfactory proof of identity. The means of proof, in the order of preference and priority, are:
(2) Not in person. If the individual making a request does not appear in person before a Privacy Act Officer, the information set forth in § 16.3(b)(1) and a certificate of a notary public or equivalent officer empowered to administer oaths must accompany the request. The certificate within or attached to the letter must be substantially in accord with the following text:
City of __________ County of __________: ss __________ (name of individual), who affixed (his) (her) signature below in my presence, came before me, a ________ (title), in and for the aforesaid County and State, this ______ day of ______, 19 - , and established (his) (her) identity to my satisfaction. My commission expires __________. __________________ (signature)
If the request follows inquiry under § 16.3, this should be indicated in the request for access in order to facilitate processing.