(2) At the time the sheriff issues a certificate of sale in the foreclosure proceedings of any department mortgage, the sheriff shall serve a copy of the certificate upon the county judge, or the chairperson of the board of county commissioners, of the county in which the foreclosure takes place. The county shall have a 60-day period from the date of the sheriff’s certificate in which to redeem the land by paying the department the full amount of its investment in the land, including principal and interest, foreclosure charges, abstracting expense, and any other necessary expense incurred by the department in said foreclosure proceedings.