A two part, red identification tag issued by the Test Controller to designated construction, testing or maintenance personnel that have been approved in the Track Allocation Meeting to work in an area where the contact rail or catenary will be de-energized and train operations will be suspended while the Red Tag is in their possession. The Test Controller will give the individuals one half of the Red Tag and keep the other half. Until all the Red Tags are returned to the Test Controller traction power will not be restored nor will reassignment of the red tags be permitted by the Test Controller.