[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: 31CFR337.11] [Page 248] TITLE 31--MONEY AND FINANCE: TREASURY CHAPTER II--FISCAL SERVICE, DEPARTMENT OF THE TREASURY PART 337_SUPPLEMENTAL REGULATIONS GOVERNING FEDERAL HOUSING ADMINISTRATION DEBENTURES--Table of Contents Subpart B_Book-Entry Debentures Sec. 337.11 Original issue and conversions. Upon implementation of the book-entry debenture system, to be announced in advance by separate public notice, all new debentures will be issued only in book-entry form in the exact amount payable to the owner. Once issued in book-entry form, a debenture may not be converted to certificated form.