In addition to, or as an alternative to any other penalty provided herein or by law, any person who engages in any activity, for which a license is required pursuant to the provisions of this Title, while his or her license is suspended or revoked, or who fails to obtain a license prior to engaging in the activity for which a license is required, shall be subject to a penalty not to exceed $1,000.00 for each day of operation without a license, and shall be subject to such further penalties as set forth herein. The penalty shall be paid within 15 days unless a timely appeal is filed.