All nonjudicial foreclosure proceedings commenced by an association before October 1, 2013, and all sales and transfers of real property as part of those proceedings pursuant to the provisions of this Chapter, Chapter 47A of the N.C. Gen. Stat., or provisions contained in the declaration of the condominium, are declared to be valid unless an action to set aside the foreclosure is commenced on or before October 1, 2013, or within one year after the date of the sale, whichever occurs last. ?(2013-202, s. 2.)