Method of issuing invoices by self-employed households: 1. If self-employed individuals need to invoice on their behalf, they should apply to the tax service office for invoicing on the basis of your tax registration certificate, ID card, tax payment certificate issued by the other party and the contract signed by both parties. 2. Units and individuals that have gone through tax registration according to law shall, after obtaining the tax registration certificate, apply to the competent tax authorities for receiving and purchasing invoices, and after being audited by the competent tax authorities, issue invoice receiving and purchasing books. 3 taxpayers to the competent tax authorities tax service center to receive and fill out the "taxpayer invoice types application form" in duplicate. The tax registration certificate (photocopy) is required, and the identity certificate of the information handler, special financial seal or special invoice seal are required.