eINVOICING
  1. B2G Documents
eINVOICING
  • eInvoicing Service
    • About Us
    • What We Offer
    • FAQ
    • Changelog
    • On Boarding
    • eInvoicing Service API
      • API Authentication
        • API Key Authentication
          • /Authentication/login
        • Bearer Token Authentication
          • Authentication Login Bearer Token
          • Authentication Refresh
      • API Endpoints
        • API Validations
        • Sending a Document
          • Sending a Document
          • Mandatory Fields' Descriptions B2C, B2B
          • Mobile Notifications
          • IAPR SIGN POLICY METHODS
          • QR OF THE DOCUMENT
          • Invoice/json
          • Invoice/credit
        • Purchase Orders for F&B
          • FnB Purchase Orders Documentation
          • Offline QR Code Implementation
          • Retrieve Open Order Documents (FnB)
        • Document Management
          • Retrieving a document
          • PDF Invoice Attachment
        • Alternative Currency Holding
          • ALTERNATIVE CURRENCY (AC)
        • Delivery Notes
          • Delivery Notes Documentation
          • /Invoice/cancelDeliveryNote
        • POS Integration
          • POS Integration
          • Offline QR Code Implementation
          • /PosSignatures/{issuerTin}
          • /Receipt
          • /PosTransactions/signpos
        • Delayed POS Payment
          • Delayed POS Payment
        • B2G Documents
          • B2G Documents
          • B2G Mandatory Fields
          • B2G Status response
          • B2G Soft Reject
          • RESEED INVOICE
          • ΕΓΚΥΚΛΙΟΣ ΠΡΟΣ ΠΑΡΟΧΟΥΣ-ΠΡΟΜΗΘΕΥΤΕΣ ΥΠΗΡΕΣΙΩΝ ΥΓΕΙΑΣ ΓΙΑ ΤΗΝ ΗΛΕΚΤΡΟΝΙΚΗ ΤΙΜΟΛΟΓΗΣΗ
          • BT-10 BuyerReference
          • /B2GInvoice/ReSeedInvoice
            POST
          • /B2GInvoice/GetLastStatus
            GET
      • JSON Structures & Payloads
        • EliseCoreDocument Structure
          • EliseCoreDocument Structure
        • Minimum & Conditional Fields
          • Minimum & Conditional Fields
        • Response Examples & Error Handling
          • Response Examples & Error Handling
      • Offline QR Code
        • Offline QR Code Instructions
      • Status MyData
        • MyData/status
      • Extra Functionalities
        • Archiver
          • Archiver Functionality
      • Terminology
        • Document Type Codes
        • VAT & TAX Codes
        • Country & Currency Codes
        • Measurement Unit Codes (IAPR & EN16931)
        • Self-Billing Remarks (IAPR)
        • Classification & Payment Method Codes (IAPR)
        • Special Invoice Category
      • VAT Validation
        • Greek VAT Check
        • EU VAT Check
      • Attachments
        • Attaching Media & PDFs
        • Invoice Document Upload (Invoice/File)
      • SOFTONE ERP Related Segments
        • SOFTONE Configurator
          • SOFTONE Configurator - B2G Mapping
    • eInvoicing Portal
      • Template Configuration (Default Template)
      • Single Sign-On (SSO)
        • Single Sign-on (SSO) Setup Instructions
        • Single Sign-On (SSO)
    • WIKI JSON Samples
      • 1.1 B2B
      • 1.3 B2B Sales Invoice Third Country
      • 5.2 B2B Credit Invoice Non-Associated
      • 2.1 B2B Service Rendered Invoice
      • 1.1 Debit B2G
      • 11.1 B2C Retail Sales Receipt
      • 11.4 Retail Sales Credit Note
  1. B2G Documents

B2G Documents

MINIMUM REQUIRED FIELDS FOR B2G INVOICES SENT TO IAPR AND GSIS#

In order to comply with IAPR and GSIS specifications, when sending a Business to Government
invoice, more fields are required, in addition to those described on Minimum and Conditional fields
On Details level:
Detail.MeasurementUnitCodeEN
Detail.CpvCode
On B2GDetails level:
B2GDetails.ContractingAuthorityCode
B2GDetails.ContractReferenceCode
B2GDetails.ContractTypeCode
Modified at 2025-05-21 12:55:51
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