Maintenance break in the online services on Sunday the 26th of March 2023 between 12 pm–2 pm: Please note that we are doing maintenance in our service environment on Sunday the 26th of March 2023 between 12 pm–2 pm. During this time our online services (okperinta.fi, okonline.fi, myok.fi) are temporary out of service. We are sorry for any inconvenience.
Frequently asked questions

Collection costs

Where can I obtain a copy of an invoice?

If you need a copy of the original invoice, e.g. for your accounting, please contact our Customer Service team.

A copy of an invoice of some debts can also be ordered directly via the My OK service. You can find the function in the debt information in the Functions drop-down menu.