A hazmat endorsement will be denied or canceled if _________.

Hazardous Materials Endorsement Background Check and Disqualifications
Applicants for a hazardous materials endorsement will be required to submit to a fingerprint-based nationwide background check. An applicant will be denied or have the hazardous materials endorsement canceled if the applicant:
- Is not a United States, permanent resident or is unable to provide proof of lawful status.
- Renounces United States citizenship.
- Is wanted or under indictment for certain felonies.
- Has a conviction in military or civilian court or has been adjudicated as mentally incompetent or involuntarily committed to a mental institution.
- Is deemed to pose a security threat as determined by the Transportation Security Administration.
Any CDL holder or CLP applicant who wishes to obtain a Hazardous Materials Endorsement (HME/H) must call 855-DHS-UES1 (855-347-8371) or visit https://universalenroll.dhs.gov/#hme-home to enroll with the Transportation Security Administration for a background check. The Secretary of State must receive TSA approval prior to any testing for this endorsement. This process is must be completed at every CDL renewal if the driver wishes to maintain the hazardous materials endorsement.