Resources

Sales Tax Information: Tax.Colorado.gov/sales-use-tax
Sales and Use Tax Guide: Tax.Colorado.gov/sales-use-tax-guidance-publications
Sales Tax Training: Tax.colorado.gov/sales-tax-training
Sales Tax Webinar Registration: Tax.colorado.gov/tax-education-webinars

Withholding Tax Webpage: Tax.Colorado.gov/Withholding-Tax
Withholding Tax Guide: Tax.colorado.gov/withholding-tax-guide
Withholding Tax Training: Tax.colorado.gov/withholding-training
Withholding Webinar Registration: Tax.colorado.gov/tax-education-webinars

Individual Income Tax Webpage: Tax.colorado.gov/individual-income-tax
Estimated Payments for Individuals: https://tax.colorado.gov/individual-income-tax-estimated-payments
Business Income Tax Webpage: https://tax.colorado.gov/business-income-tax
Estimated Payments for Businesses: https://tax.colorado.gov/business-income-tax-estimated-payments

Destination Sourcing: www.youtube.com/watch?v=iRdgrA2ov0k
Marketplaces: Tax.Colorado.gov/Marketplaces
Due Date Guide: https://tax.colorado.gov/due-date-guide
Sales Tax Filing Frequency and Due Dates: https://tax.colorado.gov/sales-tax-filing-information
Wage Withholding Filing Frequency and Due Dates: https://tax.colorado.gov/withholding-filing-frequency-due-dates
Special Events Webpage: https://tax.colorado.gov/special-event-sales-tax
Special Events Coordinator Contact Information: DOR_SpecialEvents@state.co.us (email); 303-866-5643 (phone)