HazMat endorsement holders must be fingerprinted: Question HazMat endorsement holders must be fingerprinted: Answers Once every year. Every time the endorsement is renewed. Only once. Before transporting each HazMat load. Explanation When applying for or renewing a HazMat endorsement, you must undergo a Federal Security Threat Assessment, which includes being fingerprinted. This questions appears in the following tests: Pennsylvania HazMat
