24 C.F.R. § 206.125
(a) Initial action by the mortgagee.
(2) After notifying and receiving approval of the Commissioner when needed, the mortgagee shall notify the borrower, Eligible Non-Borrowing Spouse, borrower's estate, and borrower's heir(s), as applicable, within 30 days of the later of notifying the Commissioner or receiving approval, if needed, that the mortgage is due and payable. The mortgagee shall give the applicable party 30 days from the date of notice to engage in the following actions:
(3) For a borrower, even after a foreclosure proceeding is begun, the mortgagee shall permit the borrower to correct the condition which resulted in the mortgage coming due and payable and to reinstate the mortgage, and the mortgage insurance shall continue in effect. The mortgagee may require the borrower to pay any costs that the mortgagee incurred to reinstate the borrower, including foreclosure costs and reasonable attorney's fees. Such costs shall be paid by adding them to the outstanding loan balance. The mortgagee may refuse reinstatement by the borrower if:
(d) Initiation of foreclosure.
(f) Deed in lieu of foreclosure.
(1)
(g) Sale of the acquired property.