Jefferson County moved to Level Blue on the state's COVID-19 Dial 2.0 (effective Feb. 26 at 9 a.m.) Adams County is currently in Level Yellow. For more information and the latest updates, please visit www.cityofwestminster.us/COVID-19.
F.A.S.T. Filing System (online filing) Blank Sales & Use Tax Return Blank Excel Return with Calculation Formulas Special Event Sales Tax Return Consumer Use Tax Return
2020 Reporting Periods Annual Return for 2020 Blank Returns with Monthly Reporting Periods & Due Dates for 2020 Blank Returns with Quarterly Reporting Periods & Due Dates for 2020 Excel Returns with Calculation Formulas - Monthly 2020 Instructions Excel Returns with Calculation Formulas - Quarterly 2020 Instructions
2021 Reporting Periods Blank Returns with Monthly Reporting Periods & Due Dates for 2021 Blank Returns with Quarterly Reporting Periods & Due Dates for 2021 Excel Returns with Calculation Formulas - Monthly 2021 Instructions Excel Returns with Calculation Formulas - Quarterly 2021 Instructions
Other Tax Returns Admissions Tax Return Accommodations Tax Return Initial Use Tax Return
Construction Tax Forms Advance Construction Equipment Declaration Construction Equipment Declaration (After the Fact) Construction Materials Cost Affidavit Construction Project Cost Report Request for Direct Payment Permit - Landscape & Private Improvements Request for Direct Payment Permit - Public Improvements
Exempt Organization Forms Application for Certificate of Tax Exemption Affidavit of Tax Exempt Purchase
Other Westminster Tax/Licensing Forms Business Registration & Licensing Claim for Refund Request for Certificate of Taxes Due Power of Attorney for Department Administered Tax Matters Request for Tax Information/Electronic Transmission Acknowledgement ACH Credit Payment Authorization
Other Taxing Agencies
Adams County Assessor's Office
Jefferson County Assessor's Office
State of Colorado Colorado Department of Revenue Website Colorado Sales & Use Tax Rates (DR 1002) Colorado Retail Sales Tax Return (DR 0100) Colorado Business Registration Form (CR 0100) Other Colorado Tax Forms Free Tax Classes
United States Treasury - Internal Revenue Service (IRS) Internal Revenue Service Website Internal Revenue Service Forms & Publications
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