Per 1 Fortnox will include the GDPR contract as part of their service contract. Some things in their text is however unclear and need to be investigated further.
E-mailed ticket no 900597
Reply from Fortnox received, bounced to Mattias who left feedback which has been returned to Fortnox.
Fortnox will take the feedback under advisement.
@Historiker If you are happy with their reply then we'll close this task.
The answer from Fortnox is OK.