How do I retrieve my submitted tender

As long as the tender period is in progress, you can withdraw a sent tender. It is important to keep in mind that the tender must be sent again to reach the procurer.

Click on the current tender on My StartPage, click on To tender process.
Click the Tender tab and click Send Tender.
Click the Refresh button.
Confirm the withdrawal of the tender.

Now the tender has been withdrawn and it is fully possible to edit everything in the tender. Do not forget to resubmit it.