No appeal by an elector, taxpayer or officer shall be allowed unless the appellant enters into recognizance to prosecute the appeal with effect, and to pay all costs accruing thereon, in case, if the appellant is an elector or taxpayer, he fails to obtain a final decision more favorable to the township than that awarded by the board of auditors or, if the appellant is an officer, he fails to obtain a final decision more favorable to the officer than that awarded by the board of auditors.
53 P.S. § 65910