31 C.F.R. § 360.92
Supplements, amendments, or revisions.
The Secretary of the Treasury may at any time, or from time to time, prescribe additional, supplemental, amendatory, or revised rules and regulations governing United States Savings Bonds.
The Secretary of the Treasury may at any time, or from time to time, prescribe additional, supplemental, amendatory, or revised rules and regulations governing United States Savings Bonds.