(a) This part applies to HUD administered subsidized multifamily projects, either insured or non-insured, under:

1. (1) The section 236 Interest Reduction and Rental Assistance Payments program;
2. (2) The section 8 Housing Assistance Payments Programs, including, but not limited to, section 8 Housing Assistance Payments Programs for New Construction (24 CFR part 880), section 8 Housing Assistance Payments Program for Substantial Rehabilitation (24 CFR part 881), section 8 Housing Assistance Payments Program, New Construction Set-Aside for section 515 Rural Rental Housing Projects (24 CFR part 884); Loans for Housing for the Elderly or Handicapped (24 CFR part 885) and section 8 Loan Management and Property Disposition Set-aside program (24 CFR part 886);
3. (3) The section 221(d)(3) Below Market Interest Rate Housing for Low and Moderate Income Mortgage Insurance program (24 CFR part 221); and
4. (4) The section 101 Rent Supplement program (24 CFR part 215).

(b) This part applies to those multifamily projects having subsidy contracts, either insured or non-insured, where State housing finance and development agencies and other Public Housing Agencies are the subsidy contract administrator under:

1. (1) The section 236 Interest Reduction and Rental Assistance Payments program (24 CFR part 236);
2. (2) The section 8 Housing Assistance Payments Programs, including, but not limited to, section 8 Housing Assistance Payments Program for New Construction (24 CFR part 880), section 8 Housing Assistance Payments Program for Substantial Rehabilitation (24 CFR part 881), and section 8 Housing Assistance Payments Program, New Construction Set-Aside for section 515 Rural Rental Housing Projects (24 CFR part 884);
3. (3) The section 221(d)(3) Below Market Interest Rate Housing for Low and Moderate Income Mortgage Insurance Program (24 CFR part 221); and
4. (4) The section 101 Rent Supplement program (24 CFR part 215).