Public service commission assessment must be paid before vehicle registered; suspension of registration cards and plates issued to motor carriers; privilege to exchange suspended registration cards and plates

The commissioner shall not register any vehicle subject to economic regulation by the Public Service Commission unless the assessment for such vehicle provided for in section six, article six, chapter twenty-four-a of this code shall have been paid and notice of such payment shall have been received by the commissioner in the manner provided by said section. The commissioner shall suspend any registration card and registration plate issued by the department under authority of this section for any vehicle subject to economic regulation by the Public Service Commission, pursuant to chapter twenty-four-a of this code, upon receiving certification in writing from the Public Service Commission that said commission has canceled, suspended or revoked the certificate of convenience and necessity, permit or other operating authority of the motor carrier to whom or to which such registration card and registration plate were issued under the authority provided by the first paragraph of this section: Provided, That the motor carrier to whom or to which said registration card and registration plate were issued shall have the privilege of receiving in exchange for any such suspended registration card and registration plate a registration card and registration plate for a vehicle of a different class as provided by section one of article four of this chapter.