(a) Before issuing a commercial driver’s license, the commissioner shall obtain driving record information concerning each applicant through the Commercial Driver License Information System, the National Driver Registry and from each state in which the applicant has been licensed during the preceding ten years.

      (b) Within ten business days after issuing a commercial driver’s license, the commissioner shall notify the Commercial Driver License Information System of such fact, and shall provide all information necessary for the identification of the license holder.

      (c) A commercial driver’s license issued pursuant to section 14-44e shall expire as provided in section 14-44h.

      (d) Each person applying for the renewal of a commercial driver’s license shall complete a renewal application form providing an update and, if necessary, corrections to the information required on the original application, pursuant to section 14-44c. If an applicant for renewal wishes to retain a hazardous materials endorsement, he must pass the written test for such endorsement, and must meet the requirements of subsection (d) of section 14-44e.