648. Rights of person making payment of mortgage.

On payment of all money secured by the mortgage, the mortgagor is entitled to have the property restored to him free from the mortgagee's security. For that purpose, the mortgagee must execute any discharge or reconveyance that may be appropriate (although no express reconveyance is now normally required in the case of a mortgage of land1), and he must deliver up the title deeds2 to the mortgagor, if he is the person making the payment3. If the payment is made by some person interested in the equity of redemption other than the mortgagor and it is desired to keep