518. Mortgagee's right to exercise remedies concurrently.

Once the mortgagor has made default1 in payment of the mortgage debt, the mortgagee is entitled to pursue any or all of his remedies, subject, as regards the powers of sale and appointing a receiver, to the restrictions imposed by agreement or by statute, according as the powers are express or statutory2. Accordingly, the mortgagee can at the same time sue for payment on the covenant to pay principal and interest, for possession of the mortgaged estate, and for foreclosure3, and can combine these in the same claim4; and until judgment nisi has been obtained in his foreclosure claim,