Timing. A hearing shall be held within 60 days from the official application date requesting a hearing unless the applicant has agreed to an extension of time. The hearings shall be conducted by the Board or the Board may appoint any member or an independent attorney as a hearing officer. The decision, or, when no decision is called for, the findings shall be made by the Board; however, the appellant or the applicant, as the case may be, in addition to the municipality, may, prior to the decision of the hearing, waive decision or findings by the Board and accept the decision or findings of the hearing officer as final.