GSTにおける電子インボイス|電子インボイスの詳細解説

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物品サービス税
公開日:
November 30, 2019

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物品サービス税(GST)における電子インボイス(E-invoicing)は、以前から議論されてきたテーマです。GST評議会は、2020年1月1日より任意ベースで電子インボイス制度を段階的に導入することを決定しました。しかし、2020年10月1日以降、前年度の売上高が5億ルピーを超える納税者に対しては、GSTにおける電子インボイスの発行が義務付けられました。その後、売上高が5,000万ルピー以上の納税者についても、2021年4月1日より電子インボイスの発行が義務化されています。

詳細は以下をご覧ください:GSTにおける電子インボイス発行の手順 | 簡易ユーザーマニュアル

本記事では、電子インボイスの概念について詳しく解説します。電子インボイスが必要とされる理由、発行プロセス、導入のメリットなど、さまざまなトピックを取り上げます。

なぜ電子インボイスが必要なのか、という疑問を持つ方もいるかもしれません。インボイスは当初から間接税における中核的な書類であり、これまで電子化の必要性が強く意識されることはありませんでした。

  • 現在、納税者はSAP、Tally、Busyなど、それぞれ異なるソフトウェアを使用してインボイスを作成しており、あるシステムで作成されたインボイスが別のシステムでは読み取れないという状況が発生しています。
  • GSTエコシステム全体で電子インボイスの相互運用性を確保するためには、データの再入力を不要にするための標準化が不可欠です。
  • 機械による読み取りと、文書の統一的な解釈を可能にすることが、電子インボイスの主要な目的です。
  • GSTだけでなく、標準化を採用することで、サプライヤーが買い手や銀行、代理店、その他の関係者と共有するインボイスを、機械が確実に読み取れるようになります。

2. 電子インボイスとは何か?

  • 誤解:
    • 電子インボイスについては、多くの納税者が誤解を抱いています。例えば、コンピュータ上のソフトウェアやPOS(販売時点情報管理)端末でインボイスを作成することが電子インボイスである、あるいは
    • 電子インボイスとは税務当局の中央ポータルからインボイスを発行することである、といった誤解です。

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実際はそうではありません。中央ポータルからのみインボイスを発行する仕組みにすると、取引に多大な制約が生じてしまいます。

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  • 電子インボイスとは、インボイス作成のための標準規格を採用することです。これにより、データの相互運用性を確保するために、電子データを他者と共有する際のフォーマットが標準化されます。
  • 標準化によってインボイスの見た目が変わることはありません。むしろ、すべてのソフトウェアが新しい電子インボイス標準を採用し、データへのアクセスや取得を標準フォーマットに合わせて再調整することになります。
  • 納税者側で特別な対応を行う必要はありません。システム内の変更を同期させるために、ソフトウェアのバージョンを更新するだけで済みます。
  • 小規模な納税者向けに、GSTNは8種類の会計・請求ソフトウェアを認定しており、基本的な会計・請求システムを無料で提供しています。これらのソフトウェアは、オンライン(クラウドベース)およびオフライン(ユーザーのコンピュータにインストール)の両方で利用可能です。

3. 電子インボイスの仕組みは?

  • 電子インボイスの発行は納税者の責任となります。納税者は、GSTのインボイス登録ポータル(IRP)にインボイスを報告する必要があります。IRPは、一意のインボイス参照番号(IRN)を発行し、デジタル署名を付与した上で、QRコードを割り当てます。
  • QRコードには電子インボイスの重要なパラメータが含まれており、発行した納税者に返送されます。
  • 電子インボイスのプロセスは、主に2つのステップで構成されます。
    • 第一段階は、企業(インボイス発行の場合はサプライヤー)とインボイス登録ポータル(IRP)とのやり取りです。
    • 第二段階は、IRPとGST/E-waybillシステム、および買い手とのやり取りです。

Step-1: Flow of information from supplier to IRP

  • Supplier shall generate the invoice in his own accounting and billing software which contains all the standards notified for invoice generation. Then, Supplier’s software must be capable of generating a JSON of the final invoice or supplier can extract details of invoices in excel format and then can enter the data in "Bulk Generation Tool" provided by GSTN itself to generate JSON File that can be uploaded on IRP. Only JSON files can be uploaded on IRP.
  • Click here to read about process of generation of e-invoice| User Manual
  • Supplier shall generate a unique Invoice reference number (“IRN”) (known as “Hash” in technical term). This is an optional step. Supplier can generate IRN and upload it alongwith Invoice data. IRN shall be based on 3 parameters namely:
    • GSTIN of supplier
    • Invoice Number
    • Financial year to which invoice pertains
  • Supplier shall upload the JSON generated of final invoice alongwith IRN, if generated. Uploading can be done directly on IRP or through GSPs or through third party provided applications.
  • IRP shall validate the hasp uploaded by supplier alongwith JSON file or will generate the hash if it not already generated.
  • IRP shall check the hash from the Central Registry of GST system to make sure that same invoice pertaining to same supplier for same Financial year is not uploaded again.
  • Upon validation form central registry, IRP shall add its digital signature to JSON file and also will add QR code to the JSON file. The QR code will contain GSTIN of seller and buyer, Invoice number, invoice date, number of line items, HSN of major commodity contained in the invoice as per value, hash etc.
  • The hash computed by IRP will become the IRN (Invoice Reference Number) of the e-invoice. IRN shall be a unique number for each invoice for entire financial year.
  • Then step 2 will start with sharing of data with GST and e-waybill system.

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‍Step:2 Flow from IRP to GST System/e-waybill system & buyer

  • IRP shall share the signed copy of e-invoice data alongwith IRN, QR code and digital signature to the GST system as well as e-waybill portal.
  • Using such shared information, GST system shall update the ANX-1 of supplier and ANX-2 of buyer, which in turn shall determine the liability and ITC.
  • E-waybill system shall generate the part-A of e-waybill using such data and supplier/buyer will be required to update only Vehicle number in Part-B.

Notes:

  • E-invoicing standards shall contain some mandatory information and some option items. System shall not accept the electronic invoice unless all the mandatory information is available. Optional information may be used by supplier as per their business requirements.
  • Supplier may send his data for registration of invoices to more than one registrar. However, IRP shall carry out a de-duplication check and will make sure that only one IRN is allotted to a invoice. Therefore, is same invoice is uploaded at multiple IRPs then system will generate only one IRN and will reject other requests.
  • QR code shall enable a quick review, validation and access of the invoices from the GST system.

4. What are the benefits of E-invoicing?

  • This concept makes e-invoices completelyinter-operable eliminating transcription and other errors.
  • It provides better taxpayer service as uponuploading electronic invoice, system will automatically update ANX-1, ANX-2 andpart-A of e-waybill. It will reduce the duplication of efforts and will alsoautomate the process of reconciliation.
  • Complete trail of B2B invoices will reducepossibility of tax evasion.
  • Elimination of fake invoices will increaseefficiency of tax administration.

5. Turnover Limits for Einvoicing.

E-invoice has been implemented in a staggered manner based on aggregate turnover of person. Following is the date of applicability of e-invoice on different class of taxpayers:

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Class of taxpayer Date of applicability of e-invoice provisions Legal reference
With aggregate turnover of more than INR 500 crores during any preceding Financial year from 2017-18 onwards* 1st October, 2020 NOTIFICATION No. 61/2020–Central Tax dated 30-07-2020
With aggregate turnover of more than INR 100 crores during any preceding Financial year from 2017-18 onwards 1st January, 2021 NOTIFICATION NO. 88/2020–Central Tax dated 10-11-2020
With aggregate turnover of more than INR 50 crores during any preceding Financial year from 2017-18 onwards 1st April, 2021 NOTIFICATION NO. 05/2021–Central Tax dated 08-03-2021

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* Earlier, e-invoice was made applicable based on aggregate turnover in Financial year. However, vide Notification No. 70/2020-Central Tax dated 30.09.2020, aggregate turnover was to be considered for any preceding financial year from 2017-18 onwards.

6. Which Class of persons are exempted from generation of e-invoice?

As per Notification No. 13/2020-Central Tax dated 21st March, 2020, following class of persons are not required to generate e-invoice irrespective of their turnovers:

  1. Special Economic Zone Unit
  2. Insurance Company, Banking Company, Financial Institutions and Non-Banking Financial institutions
  3. Goods transport agencies
  4. Person providing passenger transport services
  5. Person providing service of admission to exhibition of cinematograph films in multiplex screens

7. What type of documents is required to be reported to GST System?

As per Notification No. 13/2020-Central tax dated 21st March, 2020, eligible persons should generate e-invoice with for every supply of goods or services or both to registered persons or for export. Therefore, E-invoicing is required for following documents:

  1. Tax Invoice issued to registered person
  2. Credit Note by supplier issued to registered person
  3. Debit note by supplier to registered person
  4. Invoice issued for export of goods or services (with or without payment of GST)
  5. Invoice issued for supply of goods or services to Special Economic Zone (with or without payment of GST)
  6. Invoice issued for deemed export
  7. Any other document as required for supply of goods or services to registered persons.

8. Whether any uploading is required for B2C transactions?

As per notification no. 14/2020- Central Tax dated 21st March, 2020, In case of supply of goods to unregistered person by the person whose turnover exceeds INR 500 crores during any preceding Financial year from 2017-18 onwards then such person is required to generate QR Code for such B2C Invoice.

Such QR code is not generated through e-invoicing portal rather same is generated by supplier himself. Further, if supplier provides any other QR code for payment purpose, such as QR code for payment through paytm or UPI, then such QR code shall be considered as valid for GST purpose. However, If payment is made after some time of generation of Invoice then QR code generated for payment shall not be considered as valid and supplier will be required to create a separate QR Code for such invoice.

9. Direct generation of invoice on Invoice Registration Portal (IRP)

Some peopleare of the opinion that e-invoicing shall facilitate the generation of invoiceon government’s tax portal. This is a myth and taxpayer shall continue togenerate invoice from their respective accounting software. However, smalltaxpayer may use one of the eight emplaned software to generate invoices.

10. What will be the format of Unique Invoice Reference Number (IRN)?

  • The unique IRN will be based on GSTIN ofgenerator of document (invoice or credit note etc.), Year and Document numberlike invoice number. The hash could also be generated by the taxpayers based onabove algorithm.
  • Accordingly, one can pre-generate and printhash on the invoice book, however, the same will not make the invoice validunless it is registered on the portal along with invoice details.
  • Further, The hash algorithm that is to beused by the taxpayers has been specified in the e-invoice standard that ispublished. The hash will be the IRN.
  • To ensure duplication check, the registrarwill be required to send the hash to Central Registry of GST System to confirmwhether the same has been reported already. In case it has been reported byanother registrar and the Central Registry already has the same IRN, then theregistrar will reject the registration and inform the sender. Only uniqueinvoices from a taxpayer will be accepted and registered by the registrar.

11. What is the use of Digital Signing by e-Invoice Registration Portal?

  • IRP (Invoice Registration Portal) shall generate a hash to verify the invoice or use the hash submitted with invoice data and then will digitally sign such invoice with the private key of the IRP.
  • The IRP will sign the e-invoice along with hash and the e-invoice signed by the IRP will be a valid e-invoice and used by GST/E-Way bill system.

12. What is the use of QR Code on electronic invoice?

  • The IRP shall generate a QR code containing the unique IRN (hash) along with some important parameters of invoice and digital signature so that it can be verified on the central portal as well asby an Offline App.
  • This will be helpful for tax officers tocheck the invoice on the roadside where Internet may not be available all thetime.
  • The QR code will consist of the followinge-invoice parameters:
    • GSTIN of supplier
    • GSTIN of Recipient
    • Invoice number as given by Supplier
    • Date of generation of invoice
    • Invoice value (taxable value and gross tax)
    • Number of line items.
    • HSN Code of main item (the line item havinghighest taxable value)
    • Unique Invoice Reference Number (hash)

13. How verification of the invoice will be done through QR Code?

  • An offline app will be provided on the IRP to authenticate the QR code of the invoice offline and its basic details. However, to see the whole invoice, one will have to connect to the portal and verify and see the details online.
  • The facility to download entire invoice will be provided to tax officers, the way it is currently available under E-way bill system.
  • The facility of QR code verification will be made available only through GST System and not IRP. This is because the IRP shall store the invoice for next 24 hours only. In order to achieve speed and efficiency, the IRP will be a lean and focused portal for providing invoice registration and verification service, IRN and the QR codes. Hence, storing of the invoices will not be a feature of the IRP.

14. What is the Difference between QR Code affix on B2B Invoices and B2C invoices?

  • QR Code on B2B invoices is generated by e-invoice portal along with IRN and digital signature. Therefore, same can be verified through QR code scanning app provided by GSTN. Through scanning QR Code, app will verify that whether QR Code is valid or not.
  • However, QR Code on B2C invoices are generated by supplier himself and same can't be verified through app provided by GSTN. Purpose of enabling QR Code on B2C invoices is to promote digital payment.

15. Frequently asked questions on e-invoice

15.1 What is the time limit of generation of e-invoice?

As such there is no time limit is given under GST law for generation of e-invoice. Further, no validation is also created on e-invoice portal for document date.However, as per Rule 48(4) of CGST Rules, all eligible class of persons are required to upload detail of invoices on e-invoice portal and invoice shall be issued after generating an Invoice reference number. Any invoice issued without IRN shall be considered as invalid.

例:

Date of generation of Invoice Date of Generation of IRN Date of supply of goods Legal status
1st March, 2021 1st March, 2021 1st March, 2021 Such movement of goods shall be considered as valid as goods are moved under a valid tax invoice, i.e, Invoice with IRN
1st March, 2021 2nd March, 2021 1st March, 2021 Even though e-invoice portal shall not restrict the generation of e-invoice on 2nd March, 2021. However, when goods are moved on 1st March, 2021 with a invalid invoice then such movement shall be considered as without invoice and goods can be detained for such non-compliance.

15.2 Whether persons with aggregate turnover of less than INR 50 Crores can create e-invoice on optional basis?

No. Facility to generate e-invoice is available for persons aggregate turnover of more than INR 50 Crores. E-invoice portal shall allow to create login credentials to such person whose aggregate turnover exceeds INR 50 crore in GST returns. However, if portal doesn't allow to create login credentials then supplier is required to enable e-invoice facility against his GSTIN. While enabling e-invoicing, declaration is required to be given that aggregate turnover of supplier exceeded INR 50 crores during any of the preceding year from 2017-18 onwards.

15.3 whether persons selling through e-commerce platform is required to generate e-invoice?

If aggregate turnover of any seller exceeds INR 50 crores during any of the preceding year from 2017-18 onwards then he is required to generate e-invoice. No specific exemptions are given for persons selling through e-commerce operator. Therefore, they are required to generate e-invoice if above mentioned condition are fulfiled.

15.4 Similar to waybill, Whether recipient can generate e-invoice instead of supplier?

No. Only supplier can generate e-invoice.

15.5 Whether e-invoice is applicable on supplies covered under RCM?

Yes. If supplier is registered under GST and supplying any goods or services which covered under RCM and condition of aggregate turnover is satisfied then supplier is required to generate e-invoice. However, if recipient is generating self-invoice for transactions liable to RCM then no e-invoice is required.

15.6 Which year is to be considered for checking aggregate turnover of INR 50 Crores of preceding year?

Each year from F.Y. 2017-18 onwards are to be considered. If aggregate turnover during any year exceed INR 50 crores then supplier is required to generate e-invoice.

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