(a) Whenever any motor carrier operates a motor vehicle in violation of the registration provisions of this article, the motor carrier shall be subject to a penalty of $25.00 for each motor vehicle in violation.

(b) Whenever any motor carrier required to file a report as provided by this article fails to file the report within the time prescribed, he shall be subject to a penalty of $25.00 for each failure to file.

(c) Whenever any motor carrier fails to pay the road taxes or any part of the road taxes due pursuant to this article, the motor carrier shall be subject to a penalty of $10.00 or 10 percent of the amount of the unpaid tax due, whichever is greater, and to interest on the unpaid tax at the rate specified in Code Section 48-2-40 from the time the road tax became due until the tax is paid.

(d) Any penalties and interest imposed by this Code section shall be assessed and collected by the commissioner in the manner provided by law. In addition to imposing penalties and interest, the commissioner may suspend or revoke any certificate, permit, or other evidence of right issued by the commissioner and held by the motor carrier found to be in default.