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Support for Finnish Reference Numbers

Jun 19, 2025

This update was published over a year ago. Some of the information may be outdated.

Sliptree now supports Finnish reference numbers on invoices. Reference numbers are a normal part of invoicing in Finland: banks use them to match a payment to the right invoice, so payments are processed accurately. Sliptree can now add one to your invoices automatically, based on either the invoice number or the customer number.

To get started, click on the invoice details (number, date) when creating an invoice, then click on Reference number, and choose whether to use invoice-based or customer-based reference numbers.

Save the settings and carry on with the invoice. The reference number is added when you save the invoice.

More details can be found in our help docs.