Tax Forms



W-9 Request for Taxpayer ID Number

W-4 Employee’s Withholding Allowance Certificate

SS-4 Application for Employer Identification Number

941 Employer’s Quarterly Federal Tax Return

940 Employer’s Annual Federal Unemployment Tax Return

8822 Change of Address


Other IRS forms


Colorado Department of Revenue:

CR 0100 Colorado Sales Tax/Wage Withholding Account Application

DR 0100 Sales & Use Tax Return

DR 1094W Income Withholding Tax Return

Other CO Department of Revenue Forms


Local Forms:

City of Fort Collins Application for Sales and Use Tax License

City of Fort Collins Sales & Use Tax Return

City of Loveland Sales Tax Application

City of Loveland Sales Tax Return