22 CFR 92.23 - Taking an affidavit.
The notarizing officer taking an affidavit should:
(a) Satisfy himself, as far as possible, that his notarial act will be acceptable under the laws of the jurisdiction where the affidavit is to be used (see § 92.5);
(b) Require the personal appearance of the affiant at the time the affidavit is taken;
(c) Require satisfactory identification of the affiant; and
(d) Administer the oath to the affiant before the affiant signs the affidavit.