Is e-Invoicing mandatory in Finland?

Yes, e-Invoicing is mandatory in Finland for B2G (since 2019-04-01) transactions.

What is the B2G e-Invoicing status in Finland?

B2G e-Invoicing in Finland is mandatory since 2019-04-01. Mandatory for all public sector transactions per [eInvoicing Act 241/2019](https://www.finlex.fi/fi/laki/alkup/2019/20190241), implementing EU Directive 2014/55/EU.

What e-Invoice formats does Finland support?

Finland supports the following e-Invoice formats: Finvoice 3.0, TEAPPSXML 3.0, Peppol BIS 3.0, UBL 2.1, CII.

What e-Invoicing standards does Finland use?

Finland uses the following e-Invoicing standards: EN 16931.

Is Finland affected by EU ViDA regulations?

Yes, Finland is subject to the EU's ViDA (VAT in the Digital Age) regulations. ViDA introduces mandatory e-Invoicing for cross-border B2B transactions and real-time digital reporting requirements across EU member states.

What ERP systems support Finland e-Invoicing?

Major ERP systems including SAP, Oracle, Microsoft Dynamics, Sage, and QuickBooks support Finland e-Invoicing through Finvoice 3.0, TEAPPSXML 3.0, Peppol BIS 3.0, UBL 2.1, CII. Integration typically requires Peppol network connectivity or direct API integration.

When is the next e-Invoicing deadline in Finland?

The next e-Invoicing deadline in Finland is 1 January 2027: ViDA: OSS/IOSS Clarifications. Minor legislative clarifications for One-Stop Shop (OSS) and Import One-Stop Shop (IOSS) schemes.

How do I get started with e-Invoicing in Finland?

To get started with e-Invoicing in Finland: 1) Review Finland's specific requirements, 2) Ensure your software supports Finvoice 3.0, TEAPPSXML 3.0, Peppol BIS 3.0, UBL 2.1, CII formats, 3) Connect to the required transmission network, 4) Test compliance before deadlines.

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Finland e-Invoicing

Q: What is the B2B e-Invoicing status in Finland?

B2B e-Invoicing in Finland is not currently required. No general mandate. Companies with annual turnover exceeding EUR 10,000 can require suppliers to send EN 16931 compliant e-invoices per [Laki 241/2019](https://www.finlex.fi/fi/laki/alkup/2019/20190241).

Q: How do I integrate my accounting software with Finland e-Invoice requirements?

To integrate with Finland e-Invoicing: 1) Ensure your software supports Finvoice 3.0, TEAPPSXML 3.0, Peppol BIS 3.0, UBL 2.1, CII, 2) Implement the required transmission method, 3) Comply with EN 16931.

Q: What technical standards must my software support for Finland e-Invoicing?

Finland requires compliance with EN 16931 standards. Supported formats include Finvoice 3.0, TEAPPSXML 3.0, Peppol BIS 3.0, UBL 2.1, CII. Archiving requirement: 6 years retention after end of financial year per [Kirjanpitolaki 1336/1997](https://www.finlex.fi/fi/laki/ajantasa/1997/19971336); integrity, authenticity, and legibility must be guaranteed; archiving abroad permitted with online access for authorities.

Updated 14 August 2025

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B2B

none

No general mandate. Companies with annual turnover exceeding EUR 10,000 can require suppliers to send EN 16931 compliant e-invoices per Laki 241/2019 .

B2C

none

B2G

mandatory

since 1 April 2019

Mandatory for all public sector transactions per eInvoicing Act 241/2019 , implementing EU Directive 2014/55/EU.

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Standards:

EN 16931

Supported Formats:

Finvoice 3.0

TEAPPSXML 3.0

Peppol BIS 3.0

UBL 2.1

CII

Archiving Requirements:

6 years retention after end of financial year per Kirjanpitolaki 1336/1997 ; integrity, authenticity, and legibility must be guaranteed; archiving abroad permitted with online access for authorities.

N/A