Notwithstanding the provisions hereof, the agency on or after June fifteen, nineteen hundred seventy-six, shall not modify or satisfy a mortgage loan, pursuant to this subdivision one, where the principal amount of the mortgage loan insured by the federal government is less than eighty-five per centum of the principal amount outstanding on the original mortgage loan at the time such original mortgage loan is refinanced, unless such modification or satisfaction is first approved by the New York state public authorities control board created pursuant to article one-A of the public authorities law.
N.Y. Priv. Hous. Fin. Law § 44-B