Subtitle B—Regulations Relating to Housing and Urban Development > CHAPTER II—OFFICE OF ASSISTANT SECRETARY FOR HOUSING—FEDERAL HOUSING COMMISSIONER, DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT > SUBCHAPTER B—MORTGAGE AND LOAN INSURANCE PROGRAMS UNDER NATIONAL HOUSING ACT AND OTHER AUTHORITIES > PART 231—HOUSING MORTGAGE INSURANCE FOR THE ELDERLY > Subpart B—Contract Rights and Obligations" />