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Helpful Tax Tips

Serving Up Tax Knowledge: Your September Tax Webinar Buffet!

The Colorado Department of Revenue offers FREE monthly webinars on various tax topics, and the best part is, you can earn Continuing Professional Education (CPE) credits just for attending. Our webinars are designed for Colorado businesses and business tax professionals.
Here’s what’s on our menu for September:

  • Wage Withholding Part I - Sept 10, 2025, at 1:00 PM
  • Wage Withholding Part II - Sept 10, 2025, at 2:30 PM
  • Sales Tax - Sept 18, 2025, at 1:00 PM
  • Sales Tax (Spanish) - Sept 25, 2025, at 9:00 AM

Register to Attend the Webinar(s) of Your Choice here

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Previous Tax Tips

Simplify Sales Tax: Download The Colorado Sales Tax Guide Today!

Wouldn’t it be great if there were a FREE resource designed to help retailers with general sales tax guidance? Well, we have great news! There is! The Colorado Sales Tax Guide provides retailers with general guidance and requirements regarding sales tax:

  • Licensing
  • Collection
  • Filing
  • Remittance
  • Recordkeeping

NOTE: The total tax rate for any jurisdiction must be computed by adding all taxes applicable to that jurisdiction.

Access the Colorado Sales Tax Guide

View this week's tax tip here

Your Colorado Account Number (CAN) is issued by the Colorado Department of Revenue and is different from your Social Security Number (SSN), Federal Employer Identification Number (EIN), or Individual Taxpayer Identification Number (ITIN).
 

If you’re not sure what your CAN is, you can find it on:

  • Revenue Online: Log in and you'll find it at the bottom of the home page under Accounts
  • Department correspondence: Located on the right side of the letter with the word “Account."
  • A previously filed sales tax return: Located in the Colorado Account Number field in the upper portion of the first page on every form.
  • Your sales tax license: Located on the Sales Tax License as the first eight (8) digits of the Use Account Number.

Learn how to look up your Colorado Account Number (CAN)

Serving Up Tax Knowledge: Your September Tax Webinar Buffet!

The Colorado Department of Revenue offers FREE monthly webinars on various tax topics, and the best part is, you can earn Continuing Professional Education (CPE) credits just for attending. Our webinars are designed for Colorado businesses and business tax professionals.
Here’s what’s on our menu for September:

  • Wage Withholding Part I - Sept 10, 2025, at 1:00 PM
  • Wage Withholding Part II - Sept 10, 2025, at 2:30 PM
  • Sales Tax - Sept 18, 2025, at 1:00 PM
  • Sales Tax (Spanish) - Sept 25, 2025, at 9:00 AM

Register to Attend The Webinar(s) of Your Choice Here

Sales Tax Simplified: Master Your Filing Frequency in a Snap! 

Your sales tax filing frequency is determined by the amount of sales tax collected monthly:

  • $15 or less per month: Annually. Annual returns are due January 20
  • Under $600 per month: Quarterly. Due dates:
    • January - March: April 20
    • April - June: July 20
    • July - September: October 20
    • October - December: January 20
  • $600 or more per month: Monthly. Monthly returns are due on the 20th day of the month following the reporting period
  • If the 20th falls on the weekend or a legal holiday, the return will be due the next business day
  • To ensure you always pay on time, sign up to receive filing reminders via email

HELPFUL HINT: While sales tax returns are due on or by the 20th, you can file anytime between the 1st and 20th day of the month

Learn more about sales tax filing requirements, frequencies, and due dates

View this week's tax tip here

Marketplace Selling Simplified: Key Terms to Know!

Whether you're new to selling or just need a refresher, understanding common Marketplace terms can help:

  • Marketplace: Any forum, online or physical, where tangible personal property, commodities, or services are offered for sale, lease, or rental. Examples include, but are not limited to, a store, booth, internet website, catalog, or dedicated sales software application.
  • Marketplace facilitator: Operates a marketplace and contracts with marketplace sellers to facilitate sales and accept payment on their behalf.
  • Marketplace seller: Contracts with a marketplace facilitator to sell their products through their forum.
  • Multichannel seller: Uses a marketplace facilitator but also sells directly to customers through their own website or store.

Learn more about Marketplaces here

View this week's tax tip here

Colorado sales and use tax rates demystified: easily navigate the DR 1002 with our new video!

The DR 1002, Colorado Sales/Use Tax Rates publication, is updated on January 1st and July 1st of each year and contains:

  • Current Colorado sales and use tax rates throughout the state
  • Service/Vendor fee information
  • Exemption information
  • RTD/CD & Special District tax rates
  • City and county tax rates, which are state-collected
  • Contact information for home rule self-collecting cities/jurisdictions

NOTE: The total tax rate for any jurisdiction must be computed by adding all taxes applicable to that jurisdiction.

View DR 1002 information here

Learn how to navigate the DR 1002 now