To specify transportation special handling requirements and hazardous materials information
Code specifying special transportation handling instructions.
At least one of TD401 or TD404 must be present.
Code which qualifies the Hazardous Material Class Code (209).
If TD402 is present, then TD403 is required.
Code specifying the kind of hazard for a material.
A free-form description to clarify the related data elements and their content.
