Any person desiring to engage in the business of or practices referred to in section 11-4-1 shall file with the Chief of Police an application for a permit to do so. The application shall be in writing, under oath, and shall show the applicant’s name, age, fingerprints, current address and his or her place of residence, names and addresses of previous employers and nature of specific employment during the preceding year, at least three credit references, the address and nature of business of this current employer or principal, if any, and shall specify in detail the goods, wares, periodicals, magazines or other merchandise to be offered for sale and shall state whether or not the applicant has been convicted of any crime involving moral turpitude and, if so, the nature of the crime and the place and time convicted. The applicant shall also furnish, at the time of filing his or her application, two 2-1/2-inch by 2-1/2-inch photographs made within one year of the date of the application, and shall give to the Chief of Police such other requested information as may be of assistance to him or her in passing upon the qualifications of the applicant. If the application is filed by an employer there shall also be filed a separate application for each solicitor, giving the information set forth above as to the qualifications of the solicitor, which shall be signed and sworn to by each solicitor.