31 CFR 538.527 - Operation of accounts.
The operation of an account in a U.S. financial institution for an individual ordinarily resident in Sudan who is not included within the term “Government of Sudan,” as defined in § 538.305, is authorized, provided that transactions processed through the account:
(a) Are of a personal nature and not for use in supporting or operating a business;
(b) Do not involve transfers directly or indirectly to Sudan or for the benefit of individuals ordinarily resident in Sudan unless authorized by § 538.528; and
(c) Are not otherwise prohibited by this part.