Maximize your returns! File your taxes securely and for free at GetAheadColorado.org.

 
0

Common APEN or air permit exemptions

#FFFFFF

Select sources may not need to submit an Air Pollutant Emission Notice or require an air permit. Use the following checklist to determine whether you fall into these categories:
 
Use the following form letter if you want documentation that you're exempt from both Air Pollutant Emission Notice and permit requirements:
 
If you require an Air Pollutant Emission Notice but are exempt from air permit requirements, use the following form letters if you want documentation that you're exempt: