Within 45 days of the Board's adoption of a resolution memorializing its approval or denial of an application for development or an appeal, the Township professionals shall submit final vouchers for services performed in connection with the application or appeal to the reviewing agency for approval and payment. If any money deposited in the escrow account is unexpended upon completion of the project and satisfactory completion of the maintenance period, if any, or phased section, in the case of sectionalized application, said amount shall be returned to the applicant or, at the developer's request, applied to the next phase. Release of the unencumbered escrow balance shall be initialed upon receipt of a formal written request by the applicant.