🇫🇮 E-invoicing mandate
E-invoicing in Finland: deadlines and requirements
Every national e-invoicing milestone for Finland, with the required format and the official source — checked on 28 Oct 2026.
Timeline
1 Apr 2020In force
Right to request structured e-invoices
—
days to go
Businesses with annual turnover above €10,000 must send an EN 16931 invoice when the buyer asks for one.
Format: EN 16931 (Finvoice 3.0, TEAPPSXML 3.0, Peppol)
Source: Finlex
Frequently asked questions
- When does e-invoicing become mandatory in Finland?
- Already in force: Right to request structured e-invoices (since 2020-04-01).
- Which e-invoice format is required in Finland?
- EN 16931 (Finvoice 3.0, TEAPPSXML 3.0, Peppol).
- Do I need Peppol in Finland?
- Peppol is a common way to exchange EN 16931 e-invoices in Finland. Check whether your customer is registered on Peppol before sending.