The Commissioner may amend the regulations in this part from time to time. Amendments to the regulations will not adversely affect the interest of a lender under a contract of insurance on any mortgage already insured or on any mortgage to be insured on which HUD has already issued its firm approval letter.

[59 FR 62524, Dec. 5, 1994, as amended at 85 FR 83440, Dec. 22, 2020]