Excise & Fuel Tax
New Mandatory Electronic Filing For:
- Aviation Fuel Sales Tax, DR 1510
- IFTA, DR 0122
- liquor Excise Tax, DR 0442
- Winery Direct Shipper, DR 0448
For more information, go to the workgroup meeting webpage.
Aviation Sales Tax Updates
Due to the passage of HB25B-1005, effective January 1, 2026 the 4% state service fee is no longer allowed for vendors filing the aviation fuel sales tax return. Go to tax.colorado.gov/aviation-taxes for more information.
Firearm & Ammunition Tax Vendor Renewal is Required:
Firearms & ammunition tax vendors must renew their vendor registration by December 31st of each odd number year. This renewal registration is free and is available in Revenue Online. Go to tax.colorado.gov/firearms-ammunition-tax-registration for more information.