a. Except as otherwise specifically provided in chapter two of this title, or in subdivision b of this section, any person, whether or not he or she holds a license issued under chapter two, who violates any provision of chapter two or any regulation or rule promulgated under it shall, upon conviction thereof, be punished for each violation by a fine of not less than twenty-five dollars nor more than five hundred dollars, or by imprisonment not exceeding fifteen days, or both; and any such person shall be subject also to a civil penalty in the sum of one hundred dollars for each violation, to be recovered in a civil action.
b. Any person who engages without a license therefor in an activity for which a license is required by any provision of chapter two, shall, upon conviction thereof, be subject to the following sanctions:
1. If he or she has never held a license for such activity, he or she shall be subject to a fine of not less than twenty-five dollars, nor more than five hundred dollars, or by imprisonment not exceeding fifteen days, or both; and any such person shall be subject also to the payment of a civil penalty in the sum of the greater of twice the applicable license fee or one hundred dollars, to be recovered in a civil action.
2. If he or she has never held a license for such activity, and has been convicted once previously for engaging in such activity without a license, or if he or she has held such license and his or her license has lapsed prior to such person's perfecting an application for a renewal, he or she shall be subject to a fine of not less than one hundred dollars nor more than one thousand dollars, or by imprisonment not exceeding thirty days, or both; and he or she shall be subject also to civil penalty in the sum of one thousand dollars, to be recovered in a civil action.
3. If such person has held such a license, but his or her license has been suspended or revoked, or he or she has twice previously been convicted of engaging in such activity without a license, he or she shall be subject to a fine of not less than two hundred dollars nor more than two thousand dollars, or by imprisonment not exceeding sixty days, or both; and he or she shall be subject also to a civil penalty in the sum of two thousand dollars, to be recovered in a civil action.
c. Every manager or proprietor of a business required to be licensed under chapter two who consents to, causes or allows that business to operate without a license and every person aiding such unlicensed business and every owner or lessee of any building, part of building, grounds, room or place, who leases or lets the premises for the operation of any unlicensed business or assents that the premises be used for any such purpose, is in violation of this title and shall be subject to a penalty of one hundred dollars per day for every day during which the unlicensed business operates. This penalty shall be prosecuted, sued for and recovered in the name of the city.
d. The corporation counsel is authorized to bring an injunction proceeding to restrain or enjoin any violation of this title.