The CT number is assigned to facilities and / or individuals that manufacture, assemble, inspect, test, certify or perform welded repairs on cargo tanks or a cargo tank motor vehicle manufactured in accordance with a DOT specification or under the terms of a Special Permit. You must submit a registration statement in accordance with 49 CFR § 107.503 to receive a CT number. Click here to Register.

A legible ASME data plate is one that ALL pertinent data can be read. If the ASME data plate is illegible or missing, the nurse tank must be tested every 5 years to stay within DOT regulations. Click here to review the requirements.

Click here to find CT Inspection Companies.