E-invoice Schema, Format, Json FIle & Template

The E-invoicing system was implemented from 1st October 2020 for the taxpayers with turnover more than Rs 50 crores. Then, it got extended to the taxpayers with the turnover more than Rs 50 crores from 1st January 2021. Now, it will apply to those taxpayers with the turnover of Rs 50 crores to Rs 100 crores from 1st April 2021.

Contents of E-invoice

The e-invoice schema contains both mandatory - the fields that are compulsory under the e-invoice standard & optional fields - that can be incorporated as per business needs. All the mandatory fields are to be filled to be allocated with IRN (Invoice Reference Number).

Mandatory Sections:

Basic Details
Supplier’s information
Recipient’s information
Invoice Item Details
Document Total

How is E-invoice Authorised?

The seller will receive JSON with a unique IRN ( Invoice Reference Number ), digitally signed e-invoice and the QR code which contains all the details.

The unique serial number will be allocated for a GSTIN of the document creator and of the document.

The supplier has to create the IRN against each invoice and store it in ERP as without it, the e-invoice is not a LEGAL DOCUMENT.

The E-invoice Schema is a guide for users to understand the specifications of e-invoice.

E-invoice Schema

The invoice schema contains the following:

S.NO	Defined Columns	Meaning
1.	Technical Field Specification	Maximum length of the field - date format & decimal places are elaborated here
2.	Cardinality	The column indicates whether the item is mandatory or optional, can be repeated or not. The codes are as follows: 0..1 - Optional, cannot be repeated 1..1 - Mandatory, cannot be repeated. 1..n - Mandatory, can be repeated 0..n - Optional, can be repeated
3.	Small descriptions of the field	This is the field name which will be displayed in the e-invoice
4.	Is it mandatory on invoice	Whether the field is optional or mandatory
5.	Technical field Name	This contains the Section Name, line items, annexure names & sub entries
6.	Sample value of the field	This column simplifies all the columns for the user by giving the sample value.
7.	Explanatory	The detailed explanation of the intent of any line items is given here

The mandatory fields along with the Sample input are mentioned below for your reference:

	Document Type Code	INV/ CRN/DBN
	Supplier Legal Name	String Max length - 100
	Supplier GSTIN	Max length - 15 Alphanumeric
	Supplier Address	Max length - 100
	Supplier Place	Max length - 50
	Supplier State Code	Enumerated list of states
	Supplier Pin Code	6 digit code
	Document Number	“Sa/1/2020”
	Preceding Invoice Reference & date	Max length - 16 sample input
	Document Date	(DD/MM/YY)
	Recipient Legal Name	Max length - 100
	Recipient’s GSTIN	Max length - 15
	Recipient’s Address	Max length - 100
	Recipient’s State Code	Enumerated List
	Place of supply state code	Enumerated List
	Pin code	Six digit code
	Recipient Place	Max length - 100
	Invoice Reference Number	Max length - 64
	Shipping to GSTIN	Max length - 15
	Shipping to State, Pin code & state code	Max length - 100 for state, 6 digit pin code & enumerated list for code

	Dispatch from Name, Address, Place and pincode	Max length - 100
	Is Service	String (Length: 1) by selecting Y/N
	Supply Type Code	Enumerated list of codes
	Item description	Max length - 300
	HSN Code	Max length - 8
	Item Price	Decimal (12,3) Sample Value is ‘5’
	Assessable Value	Decimal (13,2) Sample Value is ‘5000’
	GST Rate	Decimal (3,2) Sample Value is ‘5’
	IGST Value, CGST Value & SGST Value Separately	Decimal (11,2) Sample value is ‘650.00’
	Total Invoice Value	Decimal (11,2)

Sample e-invoice

The optional fields include references to contracts, vendor purchase order, e-way bill number, phone number or email ID, and the place of dispatch of the goods and more according to the needs of the businesses.

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