B2G#
B2G Extra Fields and Details#
| Field | Values - Examples | Brief Explanation | Useful Links | Description - More Info - Examples |
|---|
| DocumentTypeCode | ELB2G | Mandatory | ELB2G | Tag used only for B2G invoices. This field must be set to “ELB2G” so that it declares the issued document concerns a B2G transaction. |
| B2GDetails | - | - | - | This field is mandatory for all B2G documents and more information can be found in the Features & Modules in B2G invoicing section. |
| ContractingAuthorityCode | - | Mandatory | "1015.E00236.0001" | Unique codification for Public Entities - Not a static value. More info |
| ContractingAuthority | - | Mandatory | "ΓΕΝΙΚΟ ΝΟΣΟΚΟΜΕΙΟ ΚΟΖΑΝΗΣ" | The official name of the Contracting Authority - Not a static value. More info |
| ContractTypeCode | - | Mandatory | "3 | 9ΜΕ94690ΩΧ-ΟΨΞ" |
| ContractReferenceCode | - | Mandatory | "20SYMV006467658" | Contract Online Posting Number (ADAM) of the Central Electronic Register of Public Procurement (ΚΗΜΔΗΣ), in accordance with Article 38 of Law 4412/2016 (A.147). |
GsisRelatedInvoices - Mandatory for 5.1 creditExample:
["118058830|22/03/2024|0|2.1|A|45727711111112"]
In the form of "ISSUER VAT | DATE ISSUED | INSTALLATION NO(POS OR BRANCH CODE). | TYPE OF DOCUMENT | SERIES| NUMBER" | GsisRelatedInvoices - Mandatory for 5.1 credit | "118058830|22/03/2024|0|2.1|A|45727711111112"] | In the form of "ISSUER VAT | DATE ISSUED | INSTALLATION NO(POS OR BRANCH CODE). | TYPE OF DOCUMENT | SERIES| NUMBER" |Recipient#
| Field | Values - Examples | Brief Explanation |
|---|
| RegisteredName | Company name | Mandatory |
| Vat | "" | EL123456789 |
| Address | - | - |
| CountryCode | GR | - |
| City | Athens | - |
| Street | Κ. ΜΑΜΑΤΣΕΙΟΥ 1 | ΥΠΟΧΡΕΩΤΙΚΟ |
| Postal | 50131 | - |
Details#
| Field | Values - Examples | Brief Explanation |
|---|
| lineNo | 1 | - |
| classificationLineNo | 1 | - |
| measurementUnitCodeEN | "H87" | - |
| CpvCode | "333600000-6" | ΥΠΟΧΡΕΩΤΙΚΟ |
Validation on the CPV Code field: This field must always be populated. If it is left empty (Null), the API will return a completeness error. (This applies only to B2G invoices.)
Useful Links and API Calls#
Get Request to receive B2GInvoice status on your ERP:
Modified at 2025-12-10 11:11:13