CFR > Title 31 - Money and Finance: Treasury > SUBTITLE B—Regulations Relating to Money and Finance > CHAPTER II—FISCAL SERVICE, DEPARTMENT OF THE TREASURY (parts 200 to 391) > SUBCHAPTER B—BUREAU OF THE PUBLIC DEBT (parts 306 to 391) > PART 337—SUPPLEMENTAL REGULATIONS GOVERNING FEDERAL HOUSING ADMINISTRATION DEBENTURES > SUBPART B—Book-Entry Debentures (§337.11 to §337.13)