31 C.F.R. § 560.529 Bunkering and emergency repairs.
Title 31 - Money and Finance: Treasury
Goods or services provided in the United States to a non-Iranian carrier transporting passengers or goods to or from Iran are permissible if they are: (a) Bunkers or bunkering services; (b) Supplied or performed in the course of emergency repairs; or (c) Supplied or performed under circumstances which could not be anticipated prior to the carrier's departure for the United States. [64 FR 20175, Apr. 26, 1999]
Title 31: Money and Finance: Treasury
PART 560—IRANIAN TRANSACTIONS REGULATIONS
Subpart E—Licenses, Authorizations and Statements of Licensing Policy
§ 560.529 Bunkering and emergency repairs.