31 C.F.R. § 363.15 What is the procedure for offline authentication?
Title 31 - Money and Finance: Treasury
In the event we require offline authentication, we will provide a printable authentication form. Your signature on the form must be certified or guaranteed as provided at §363.43, and the form must be mailed to us at the address provided in §363.5. [67 FR 64286, Oct. 17, 2002. Redesignated at 70 FR 57434, Sept. 30, 2005]
Title 31: Money and Finance: Treasury
PART 363—REGULATIONS GOVERNING SECURITIES HELD IN TREASURYDIRECT
Subpart B—General Provisions Governing Securities Held in TreasuryDirect
§ 363.15 What is the procedure for offline authentication?