22 CFR § 23.3 - Refunds.
(a) Rectifications and readjustments. See § 22.6 of this chapter for outline of circumstances under which fees which have been collected for deposit in the Treasury may be refunded.
(b) Refund of wrongful exactions. See § 13.1 of this chapter concerning recovery from consular officers of amounts wrongfully exacted and withheld by them.