If a first mortgagee acquires a lot in a planned community by foreclosure or deed in lieu of foreclosure, the mortgagee and subsequent purchaser shall not be liable for any of the common expenses chargeable to the lot which became due before the mortgagee or purchaser acquired title to the lot. The unpaid expenses shall become a common expense of all lot owners including the mortgagee or purchaser.
ORS 94.723