[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: 31CFR337.6] [Page 247-248] 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 A_Certificated Debentures Sec. 337.6 Conversions to book-entry. 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, and may not thereafter be converted to certificated form. Certificated debentures may, upon the owner's request in accordance with Sec. 337.5(c), be converted to book-entry. If such action is taken, the owner shall be deemed to have irrevocably waived [[Page 248]] the right to hold such debenture in certificated form.