Legal analysis: the following three types of industry invoices are to choose their respective industries. 1. computer hardware level peripheral equipment development, production, sales, industry classification for the "computer, communications and other electronic equipment manufacturing industry". 2. technical services, systems integration, network cabling, three-dimensional design, computer graphic design, industry classification for the "Software and Information Technology Services "Sales: office supplies, industry classification for "retail trade".

Legal basis: "the Chinese people's *** and the invoice management measures"

Article 21 does not comply with the provisions of the invoice, shall not be used as financial reimbursement vouchers, and any unit or individual has the right to refuse to accept.

Article 22 The invoices shall be issued in accordance with the stipulated time limit, order and columns, and all the joints shall be issued at once and truthfully, and the special seal for invoices shall be stamped. If an individual's VAT invoice is not written on the head of the name, the invoice belongs to the invoice does not comply with the provisions of the invoice, the information is incomplete, can not be used as a financial reimbursement voucher.

Article 23 Units and individuals installing tax-control devices shall use the tax-control devices to issue invoices in accordance with the regulations and report the invoicing data to the competent tax authorities on a regular basis. The use of non-tax-control electronic devices to issue invoices, non-tax-control electronic devices should be used in the software program description of information reported to the competent tax authorities for the record, and in accordance with the provisions of the preservation and reporting of invoicing data. The state to promote the use of network invoice management system to issue invoices, the specific management methods developed by the competent tax authorities of the State Council.