515 ILCS 5/20-30
No license shall be issued to use sport fishing or trot line devices, or any other fishing devices, until application has been made to the Department, to any county, city, village, township, or incorporated town clerk, or any other person authorized or designated by the Department to issue licenses. Each clerk designating agents to issue licenses and salmon stamps shall furnish the Department, within 10 days following the appointment, the names and mailing addresses of the agents. Applications shall be executed and sworn to and shall set forth the name and description of the applicant and place of residence. No license or salmon stamp shall be issued except upon definite proof of identity and place of legal residence.
No clerk shall sell any license or salmon stamp at any place other than within the territorial area for which he or she was elected or appointed. No duly designated agent is authorized to furnish licenses or salmon stamps for issuance by any other business establishment.
515 ILCS 5/20-30