CFR›Title 24›Subtitle B›Chapter II›Part 231 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 231—HOUSING MORTGAGE INSURANCE FOR THE ELDERLY Subparts A Subpart A—Eligibility Requirements Section 231.1 B Subpart B—Contract Rights and Obligations Section 231.251 Authority12 U.S.C. 1715b, 1715v; 42 U.S.C. 3535(d).Source36 FR 24615, Dec. 22, 1971, unless otherwise noted. Previous 221 Part 221—Low Cost and Moderate Income Mortgage Insurance—Savings Clause Next 232 Part 232—Mortgage Insurance for Nursing Homes, Intermediate Care Facilities, Board and Care Homes, and Assisted Living Facilities