Regulations Governing Customs Bonded Factories Article 13

All bonding account books and ledgers and statements pertaining to bonded duties which are made and maintained in each year by a Bonded Factory shall be preserved for a period of five years after completion of annual inventory process, and the relevant certificates shall be preserved for a period of three years.A Bonded Factory may, after completion of the annual inventory process and with the approval of the supervising Customs, have the certificates referred to in the preceding Paragraph recorded in micro-films, magnetic tapes, magnetic disks or any other electronic media and placed in custody for a custody period as specified in the preceding Paragraph; moreover, the originals of such certificates should not be destroyed. However, if the supervising Customs needs to obtain reproduced copy of any such certificates and/or relevant documents while conducting an investigation under the law at any time or from time to time, the Bonded Factory shall have the obligation to provide such certificates and/or relevant documents for reproduction.While performing its auditing and supervising duties, the supervising Customs may, as necessary, in addition to auditing the bonding account books, records and statements related to customs bonding operations, also send customs officer(s) who shall bring an authorization letter with him/them to inspect or audit other accounting books, statements and certificates of a Bonded Factory subject to the inspection, to which the Bonded Factory shall not refuse to provide such access.