420. Right where rent paid is advance to mortgagor.

420.     Right where rent paid is advance to mortgagor.

If the tenant has paid rent to the mortgagor before it was due, this is not a good payment against the mortgagee as regards rent accruing due after notice of the mortgage has been given to the tenant, and the tenant is liable to pay that rent over again to the mortgagee1; but if before the mortgage the tenant has paid a lump sum in satisfaction of all rents accruing during the term, and the mortgagee makes no inquiry of the tenant, he is bound by this payment