Section 9
SEC. 9. The grantee shall keep an account of the gross receipts of the business transacted by it, and shall furnish to the Auditor General and the Treasurer of the City of Manila a copy each of such account. For the purpose of auditing accounts surrendered to the Auditor General and Treasurer of the City of Manila, all the books and accounts of the grantee, and duplicates thereof, shall be subject to the official inspection of the Auditor General or his authorized representatives. The audit and approval of such accounts by the Auditor General shall be final and conclusive evidence as to the amount of said gross receipts except that the grantee shall have the right to appeal to the courts of the Philippines under the terms and conditions provided in the laws of the Philippines. The words "gross receipts" are hereby defined as the total receipts obtained by the grantee from its operation under this franchise.