CFR›Title 31›Subtitle B›Chapter II›Part 347 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-28Last updated2026-04-28 PART 347—REGULATIONS GOVERNING RETIREMENT SAVINGS BONDS Subparts A Subpart A—General Information Sections 347.0–347.3 B Subpart B—Treasury's Retirement Savings Program Sections 347.10–347.16 C Subpart C—Auto-IRA Programs Sections 347.30–347.37 D Subpart D—Miscellaneous Provisions for Retirement Savings Bonds Sections 347.40–347.42 Authority5 U.S.C. 301; 12 U.S.C. 90; 31 U.S.C. 3105.Source79 FR 74024, Dec. 15, 2014, unless otherwise noted. Previous 346 Part 346—Regulations Governing United States Individual Retirement Bonds Next 348 Part 348—Regulations Governing Depositary Compensation Securities