Third party information as an attachment (RF-1301)
Do you want to use the new attachment solution?
2 January 2026, the Tax Administration will release a new attachment solution for third-party data. You may already use the new solution to submit third-party data as attachments.
Use the new attachment solution
If you have any questions regarding the new solution or completed deliveries, contact us in our Slack channel https://skatteetaten.slack.com/archives/C0A300FAT2L
Do you need help?
The tax authorities can help you with questions related to the form.
E-mail: grunnlagsdata@skatteetaten.no
Phone: 800 80 000 (enter choices 2-3-3)