31 C.F.R. § 538.509 Certain services relating to participation in various events authorized.
Title 31 - Money and Finance: Treasury
The importation of Sudanese-origin services into the United States is authorized where such services are performed in the United States by a Sudanese national who enters the United States on a visa issued by the State Department for the purpose of participating in a public conference, performance, exhibition or similar event, and such services are consistent with that purpose.
Title 31: Money and Finance: Treasury
PART 538—SUDANESE SANCTIONS REGULATIONS
Subpart E—Licenses, Authorizations, and Statements of Licensing Policy
§ 538.509 Certain services relating to participation in various events authorized.

