Section 391.33 - Equivalent of road test(a) In place of, and as equivalent to, the road test required by §391.31, a person who seeks to drive a commercial motor vehicle may present, and a motor carrier may accept-(1) A valid Commercial Driver's License as defined in §383.5 of this subchapter, but not including double/triple trailer or tank vehicle endorsements, which has been issued to him/her to operate specific categories of commercial motor vehicles and which, under the laws of that State, licenses him/her after successful completion of a road test in a commercial motor vehicle of the type the motor carrier intends to assign to him/her; or(2) A copy of a valid certificate of driver's road test issued to him/her pursuant to §391.31 within the preceding 3 years.(b) If a driver presents, and a motor carrier accepts, a license or certificate as equivalent to the road test, the motor carrier shall retain a legible copy of the license or certificate in its files as part of the driver's qualification file.(c) A motor carrier may require any person who presents a license or certificate as equivalent to the road test to take a road test or any other test of his/her driving skill as a condition to his/her employment as a driver.35 FR 6460, 4/22/1970, as amended at 60 FR 38744, 7/28/1995; 63 FR 33277, 6/18/1998