[Code of Federal Regulations] [Title 31, Volume 2] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 31CFR359.4] [Page 451] TITLE 31--MONEY AND FINANCE: TREASURY CHAPTER II--FISCAL SERVICE, DEPARTMENT OF THE TREASURY PART 359_OFFERING OF UNITED STATES SAVINGS BONDS, SERIES I--Table of Contents Subpart A_General Information Sec. 359.4 In what form are Series I savings bonds issued? Series I savings bonds are issued in either book-entry or definitive form.