To invalidate a tag you need to log in to our website, login.infobricfleet.se
Click Driver ID and make sure you are on the Driver ID tab.
Find the tag or user whose tag you want to invalidate.
You can search for the tag using the Search field in the top left.
You can also click the three lines in the column header for Driver name, click Filters and search.
Click on the user or tag and select Invalidate key.
Now you can find the tag if you filter for Inactive keys using the filter at the top right.