31 C.F.R. § 337.11 Original issue and conversions.
Title 31 - Money and Finance: Treasury
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.
Title 31: Money and Finance: Treasury
PART 337—SUPPLEMENTAL REGULATIONS GOVERNING FEDERAL HOUSING ADMINISTRATION DEBENTURES
Subpart B—Book-Entry Debentures
§ 337.11 Original issue and conversions.