[Code of Federal Regulations] [Title 31, Volume 2] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 31CFR363.161] [Page 497] TITLE 31--MONEY AND FINANCE: TREASURY CHAPTER II--FISCAL SERVICE, DEPARTMENT OF THE TREASURY PART 363_REGULATIONS GOVERNING SECURITIES HELD IN TREASURYDIRECT--Table of Contents Subpart E_Conversion of a Definitive Savings Bond Sec. 363.161 What definitive savings bonds are eligible to be converted to book-entry bonds? Series E, Series EE, and Series I savings bonds issued in denominations of $25 or greater, in single owner, coowner, or owner with beneficiary forms of registration, are eligible for conversion to book- entry bonds in TreasuryDirect[supreg].