In order to ensure no lapse in your HAZMAT endorsement it is critical that you follow these steps in order and begin the process as soon as possible.
Step 1: Appear at a Driver License Center and show proof of citizenship or permanent residency.
Step 2: Pass HAZMAT Knowledge Recertification Test.
Step 3: Submit Form DL-288 and fees to the Driver License Center.
Step 4: Visit 3M Cogent to have your fingerprints taken.
Step 5: Receive notification from the Transportation Security Administration (TSA) that you passed the background check. (This can take up to 120 days from the time you are fingerprinted.)
Step 6: Submit renewal application and fees.