Invoicing instructions

E-invoice address of the Safety Investigation Authority, Finland:

EDI code: 003734366318220

Operator ID (Posti Messaging Oy): FI28768767

Business ID: 3436631-8

VAT number: FI34366318

Invoices must include the unique identifier provided by the client, the investigation reference number or other specifying information as a reference.

If the supplier does not have a system for producing e-invoices, the free e-invoicing service provided by the government can be used for creating and sending e-invoices. Access to the service and related instructions are available at: