***NOTICE*** The Donald E. Stephens Convention Center is located in Rosemont, IL and IS NOT within the borders of the City of Chicago. Therefore any eliquid taxes imposed by the City of Chicago DO NOT APPLY. Rosemont is a Village located in Cook County. Cook County has a tax on CONSUMER transactions of $0.20/ml. However, this is a Business to Business only event; there will NOT be consumers present, therefore the tax is NOT APPLICABLE to B2B transactions taking place at the event.