Each licensee and any officer, shareholder, member, representative, agent or employee of such licensee shall refuse to sell, deliver or serve alcoholic beverages to any person who is unable to produce adequate written evidence of identity and of the fact that he or she is over the age of 21 years. "Adequate written evidence" shall be a document issued by a federal, state, county or municipal government or subdivision or agency thereof, including but not limited to a motor vehicle operator's license or an identification card issued to a member of the Armed Forces. If a person presents a motor vehicle operator's license from a state other than Illinois, a second form of identification shall be shown. The second form may be a school, library, employee identification or similar card and must be consistent with the motor vehicle license shown. (Ord. 3595, 1-21-02)