49 CFR 1572.3 - Scope.
This part applies to -
(a) State agencies responsible for issuing a hazardous materials endorsement (HME); and
(b) An applicant who -
(2) Is applying to obtain or renew a TWIC in accordance with 33 CFR parts 104 through 106 or 46 CFR part 10; is a commercial driver licensed in Canada or Mexico and is applying for a TWIC to transport hazardous materials in accordance with 49 CFR 1572.201; or other individuals approved by TSA.