31 C.F.R. § 363.1 What Treasury securities are covered by these regulations?
Title 31 - Money and Finance: Treasury
The regulations in this part apply to book-entry Treasury securities held in the TreasuryDirect® system.
Title 31: Money and Finance: Treasury
PART 363—REGULATIONS GOVERNING SECURITIES HELD IN TREASURYDIRECT
Subpart A—General
§ 363.1 What Treasury securities are covered by these regulations?