31 C.F.R. § 353.48 Restrictions on reissue.
Title 31 - Money and Finance: Treasury
(a) Denominational exchange. Reissue is not permitted solely to change denominations. (b) United States Treasury. Reissue may not be made to eliminate the United States Treasury as coowner.
Title 31: Money and Finance: Treasury
PART 353—REGULATIONS GOVERNING UNITED STATES SAVINGS BONDS, SERIES EE AND HH
Subpart I—Reissue and Denominational Exchange
§ 353.48 Restrictions on reissue.