The hearings shall be conducted by the Board or the Board may appoint
any member as a hearing officer. The decision, or, where 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
Township, may, prior to the decision of the hearing, waive decision
or findings by the Board and accept the decision of the hearing officer
as final.