Issued by the Colorado Department of Revenue website.
REV14/1.11/INTERNET
Library has July 2021-
2024
January (PDF) | February (PDF) | March (PDF) | April (PDF) |
May (PDF) | June (PDF) | ||
2023
January (PDF) | February (PDF) | March (PDF) | April (PDF) |
May (PDF) | June (PDF) | July (PDF) | August (PDF) |
September (PDF) | October (PDF) | November (PDF) | December (PDF) |
2022
January (PDF) | February (PDF) | March (PDF) | April (PDF) |
May (PDF) | June (PDF) | July (PDF) | August (PDF) |
September (PDF) | October (PDF) | November (PDF) | December (PDF) |
2021
July (PDF) | August (PDF) | ||
September (PDF) | October (PDF) | November (PDF) | December (PDF) |