24 CFR § 203.20
Agreed interest rate
February 22, 2021
(a) The mortgage shall bear interest at the rate agreed upon by the mortgagee and the mortgagor.
(b) Interest shall be payable in monthly installments on the principal amount of the mortgage outstanding on the due date of each installment.
[36 FR 24508, Dec. 22, 1971, as amended at 49 FR 19457, May 8, 1984]