§ 10. Licenses to adult blind persons. The mayor of any city shall have the power to issue a license to any adult blind person for the vending of goods, or newspapers in such places as he may set aside for this purpose. The license shall be issued for a term of one year and no charge shall be made for the license. A license shall not be issued to a blind person unless he or she is a resident for three years in the city in which application for such license is made and is a citizen of the United States or an alien lawfully admitted for permanent residence in the United States.

This license shall be revocable only for cause.