For Colorado, the total collective tax is 8.50% which breaks down as 4.75% to the state and 3.75% to the City of Aurora where the convention is taking place.
The State of Colorado special events license application, DR 0589 will need to be obtained here. The fee is $8. This can be obtained early or up to the day the tax forms/payments are made. The City of Aurora Sales Tax License reporting can be found here.
This is solely your responsibility and we will not check you at the event. We simply need you to sign that you understand the laws and that you are 100% solely responsible for the taxes related to any items you sell at our event. Again, this is a requirement at all events, and any event that fails to tell you about this information leaves themselves and you open to tax liability and penalties.