The hearing shall be conducted by the Board of Supervisors or the Board of Supervisors may appoint any member or an independent attorney as a hearing officer. The decision, or, where no decision is called for, the findings shall be made by the Board of Supervisors. However, the appellant or the applicant, as the case may be, in addition to the Township, may, prior to the decision on the hearing, waive the decision or findings by the Board of Supervisors and accept the decision or finding of the hearing officer as final.