24 CFR § 203.21 - Amortization provisions.

---
identifier: "/us/cfr/t24/s203.21"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "24 CFR § 203.21 - Amortization provisions."
title_number: 24
title_name: "Housing and Urban Development"
section_number: "203.21"
section_name: "Amortization provisions."
chapter_name: "OFFICE OF ASSISTANT SECRETARY FOR HOUSING—FEDERAL HOUSING COMMISSIONER, DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT"
subchapter_number: "B"
subchapter_name: "MORTGAGE AND LOAN INSURANCE PROGRAMS UNDER NATIONAL HOUSING ACT AND OTHER AUTHORITIES"
part_number: "203"
part_name: "SINGLE FAMILY MORTGAGE INSURANCE"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "12 U.S.C. 1707, 1709, 1710, 1715b, 1715z-16, 1715u, and 1715z-21; 15 U.S.C. 1639c; 42 U.S.C. 3535(d)."
regulatory_source: "36 FR 24508, Dec. 22, 1971, unless otherwise noted."
cfr_part: "203"
---


# 203.21 Amortization provisions.

The mortgage must contain complete amortization provisions satisfactory to the Commissioner, requiring monthly payments by the mortgagor not in excess of his reasonable ability to pay as determined by the Commissioner. The sum of the principal and interest payments in each month shall be substantially the same.