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  • Guide

    • # 1 Introduction to electronic invoices

    # 1.1 What is an electronic invoice?

    Electronic invoices are business documents that are stored and transmitted electronically by all entities and individuals in the purchase and sale of goods, the provision or receipt of services and other business activities. It is issued uniformly by the Tax Bureau, is nationally coded, uses a unified anti-counterfeiting technology, and is accompanied by the electronic tax bureau's signature mechanism. It has the same legal effect as paper invoices and can be used as a valid proof of reimbursement and rights protection.

    # 1.2 Policies relating to electronic invoices

    "... Accelerate the promotion of the use of electronic invoices, support enterprises and operators in issuing electronic invoices as required, and allow electronic invoices to be used as credentials for reimbursement.”

    - Wen No. 53 of the State Council of 26 September 2015

    “…Electronic invoices have the same legal effect as paper invoices, and electronic general VAT invoices will be introduced throughout the country.”

    - General Administration of Taxation No. 84 of 26 November 2015

    “…Subject to the conditions specified in Article 8 of this scheme, electronic accounting information received from outside organizations with an electronic signature in accordance with the provisions of the Electronic Signature Law of the People's Republic of China may be archived in electronic form only to form an electronic accounting file.”

    Text No. 79 of the National Archives Office of the Ministry of Finance, 11 December 2015

    “We will continue to improve the level of tax services. The electronicization of special VAT invoices will be basically achieved by the end of 2020.”

    On 21 July 2020, the State Administration issued Document No. 24

    "Conduct a pilot work on the electronic reimbursement of VAT e-invoices..."

    Issued 22 February 2021 No. 1

    # 2 List of terms

    Here are some common terms encountered when debugging the interface with the WeChat e-invoicing solution.Readers of the documentation for this module are advised to read through this section to understand the definitions and references of the terms.
    user Refers to the WeChat user.It is the originator of an electronic invoice request, the holder of an electronic invoices after they are issued, and the originator for electronic iinvoice reimbursement. Users are distinguished in different scenarios, and we use different terminology to name them. For example, in the consumption acquisition invoice scenario, the user is called a "consumer," and in the reimbursement scenario, it is called an "employee."
    consumer Refers to a user who completes a payment and requests and obtains an electronic invoice in a consumer scenario.
    staff Refers to users who submit electronic invoices to their own enterprises for reimbursement in the reimbursement scenario and receive reimbursement payments.
    merchant Refers to a body that provides a product or service to a user in a consumer scenario and accepts payment from the user. When a consumer requests an electronic invoice, the merchant is the subject of providing the electronic invelope to the consumer.
    Ticketing platform For merchants to provide access to tax control equipment, issuing, saving electronic invoice services.
    Self-built platform merchants Refers to large merchants who directly procure tax control equipment to set up an invoice platform in the enterprise intranet, partly out of data security or performance considerations. The characteristics of this type of merchant include: invoice PDF is first generated in the merchant enterprise intranet, invoice PDF is saved in the enterprise intranet, and provide invoice inspection services to users.
    Invoice vouchers Electronic invoice in WeChat card package to save the form, record the basic information of the invoice.The invoice card voucher can be linked to the invoice PDF.
    Issuer of tickets Generate invoice vouchers and save invoice vouchers to the body of the user's WeChat card package after user authorization.Must have electronic invoice PDF file and can provide stable invoice PDF download service.
    Electronic Invoice PDF Refers to electronic invoice format file, because the file is PDF, commonly known as electronic invoice PDF, invoice PDF. In addition to the invoice related information presented in accordance with the prescribed format, the electronic invoice PDF is characterized by the invoice merchant signature in the lower right corner. Use Adobe PDF Reader to open the invoice PDF and double-click the invoice signature in the lower right corner to see the name of the invoice merchant and other information.
    Payment service provider It refers to software and Internet application service providers that provide mobile payment access services for billing merchants, and usually provides order systems for merchants that have the merchant's order data and certain system development capabilities.
    Reimbursement businesses Refers to the enterprise to which the employee belongs. The reimbursement enterprise receives the electronic invoices submitted by the employee and provides the employee with reimbursement after the necessary financial procedures. Electronic invoices enter the reimbursement enterprise, its structured data is used to generate reimbursement records, and its invoices PDF are used as financial vouchers for archiving and saving.
    Reimbursement service providers Refers to the software and internetworking service providers that provide independent deployment of reimbursement software or SaaS reimbursement applications for reimbursement enterprises.

    # 3 WeChat Introduction to the overall scheme of electronic invoice

    The electronic invoices are macroscopically a multi-pair multi-information transmission process: electronic invoices provide by multiple merchants, which are stored and collected by users and submitted to multiple reimbursement enterprises as credentials for reimbursement. For both merchants and reimbursement businesses, docking multiple ends of the business means significant communication and development costs.In order to solve this pain point and improve the convenience of using electronic invoice, WeChat puts forward the overall solution of electronic invoice based on the user.
    In this scheme, merchants generate electronic invoices through the billing platform, and after user authorization, the electronic invoices are deposited into the user card packet. Users can view their own electronic invoices in the card package. When reimbursement is required, the enterprise number or the mobile office application of the employer pulls up the list of electronic invoices in the card package. After the user checks the invoices that need to be submitted for reimbursement, the enterprise obtains the structured data and PDF of the electronic invoices to complete the reimbursement.

    # 3.1 Interaction between the various elements

    Process for depositing bills into user card packages Taking into account the differences in the length of invoices issued by different merchants, WeChat designed the invoice delivery process of authorization first, then insert the card.Decouple the two processes of user submitting invoice applications and obtaining invoice. Ensure that the invoice is steadily delivered to the user with the full knowledge of the user During the front-end authorization process, the merchant enters the ticketing identification as a parameter to pull up the authorization page, and the user completes the approval by clicking the page button.WeChat Invoicing ID will be associated After the invoice platform completes the invoice, it can call the card interface of WeChat invoice card voucher in the background with the invoice identifier authorized before.After checking the authorized status of the billing token, the WeChat side puts the invoice into the user's WeChat card package and prompts the user to deliver the invelope. See Select access mode preserved morphology The e-invoice is stored as a voucher in the user's card packet, and the access path is "I > Card Packet > My Ticket."Click on any e-invoice to view the summary of the invoice and browse the PDF file of the invoice in the invoice details. Reimbursement process For reimbursement enterprises, electronic invoices can be obtained through the invoice reimbursement interface provided by WeChat when users voluntarily submit them.
    Users can click the button in WeChat H5 or in a separate app to pull up the list of electronic invoices in WeChat, view the electronic invoices already saved in their WeChat, and tick them according to their reimbursement needs.Reimbursement enterprises can receive the identification information of invoices after the user confirms submission, and further query the structured information and PDF files of invoices through the interface to complete the reimbursement process.
    Specific interface documentation see reimbursement scenario explaination .

    # 4 Resources to download

    WeChat The invoice preservation and invoice submission capabilities of the electronic invoice solution support both in-WeChat and in-WeChat independent apps. Please download the WeChat electronic inquiry SDK for independent apps to invoke WeChat electronic invoices.
    IOS SDK download: https://developers.weixin.qq.com/doc/oplatform/Downloads/iOS_Resource.html Android SDK download: https://developers.weixin.qq.com/doc/oplatform/Downloads/Android_Resource.html

    # 5 Dynamic Documents

    WeChat The electronic invoice document is a dynamically updated document, and we will update it according to new problems,Relevant laws and regulations are updated, relevant industry policies are updated or product operations need to modify and update its content, formulate new rules, and ensure the experience of WeChat users. Developers and partners are advised to check periodically to get the latest information and keep up to date on updates.Developers and partners can also follow Service Account "Invoice Assistant," and document updates and adjustments are synchronized through this service number.