Parking Lot & Garage Operation Tax ..   Ordinance ARTICLE XIII - Parking Garage Tax Cook County Parking Lot and Garage Operations Tax Ordinance (at municode.com) An ordinance providing for the imposition of a tax on parking at certain locations; for definitions; for registration of tax collectors; for maintenance of records; for tickets and tags; for tax remittance and returns; for rules and regulations; and for penalties and interest.   Forms Parking Lot and Garage Operations   Parking Lot and Garage Operations Tax Return Form (Please call Revenue for new forms)   Every Operator of a parking lot and garage operation in the County of Cook must file a monthly return.  Due Date - Last day of each month

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