Code of Federal Regulations > Title 31 > Chapter VIII - CHAPTER VIII—OFFICE OF INVESTMENT SECURITY, DEPARTMENT OF THE TREASURY

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

Part 800 [§ 800.101 - § 800.1108] - PART 800—REGULATIONS PERTAINING TO CERTAIN INVESTMENTS IN THE UNITED STATES BY FOREIGN PERSONS

Part 801 [§ 801.101 - § 801.602] - PART 801—PILOT PROGRAM TO REVIEW CERTAIN TRANSACTIONS INVOLVING FOREIGN PERSONS AND CRITICAL TECHNOLOGIES

Part 802 [§ 802.101 - § 802.1108] - PART 802—REGULATIONS PERTAINING TO CERTAIN TRANSACTIONS BY FOREIGN PERSONS INVOLVING REAL ESTATE IN THE UNITED STATES

Part 803-849 - PARTS 803-849 [RESERVED]

Part 850 [§ 850.101 - § 850.904] - PART 850—PROVISIONS PERTAINING TO U.S. INVESTMENTS IN CERTAIN NATIONAL SECURITY TECHNOLOGIES AND PRODUCTS IN COUNTRIES OF CONCERN

Part 851-899 - PARTS 851-899 [RESERVED]