DR 0900: Individual Income Tax Payment Form (2024)
Colorado · Colorado DOR · Used for tax years 2024
Colorado Form DR 0900 is the 2024 Individual Income Tax Payment Form used to accompany a mailed check or money order. It records your identifying information and payment amount.
Who files this form
Use DR 0900 if you filed your 2024 Colorado individual income tax return electronically and want to pay by check. This form must accompany your payment.
Do not file DR 0900 if you paid electronically or do not owe a payment.
When it's due
For tax year 2024 calendar-year filers, the payment is due April 15, 2025.
What you'll need
To complete DR 0900 and pay by mail, have:
- Your Social Security number (SSN) or ITIN and full name.
- Your spouse’s SSN or ITIN and name if filing jointly.
- Your mailing address.
- The payment amount and a check or money order payable to the “Colorado Department of Revenue.”
Keep a copy of the money order or note the check number with your tax records.
How to file
The Department strongly recommends filing through Revenue Online (Colorado.gov/RevenueOnline) or another electronic filing method and paying electronically. If you pay electronically, do not submit DR 0900.
To pay by mail:
- Complete DR 0900 with your identifying information, address and payment amount.
- Make your check or money order payable to the “Colorado Department of Revenue.” Round the payment to the nearest dollar.
- Write your SSN or ITIN and “2024 DR 0104” on the memo line. The payment amount must match the amount entered on DR 0900.
- Enclose the payment with the full, uncut form. Do not staple or attach the payment, and do not send cash.
- Mail to:
Colorado Department of Revenue
Denver, Colorado 80261-0008
This address and ZIP code are exclusive to the Department, so no street address is required. Do not submit DR 0104 if you already filed electronically.
Common mistakes
- Filing DR 0900 when you paid electronically or owe no payment. Do not file it in either case.
- Mailing a check after filing electronically without including DR 0900.
- Entering a payment amount that differs from the check amount.
- Forgetting to round the payment to the nearest dollar or to write your SSN or ITIN and “2024 DR 0104” on the payment.
- Sending DR 0104 again after filing electronically.
- Cutting the form, stapling or attaching the payment, or sending cash. Return the full page with the payment enclosed but unattached.
- Failing to keep a money order copy or record the check number with your tax records.
Questions people ask
Do I need DR 0900 if I already paid electronically?
No. Do not file this form if you paid electronically or do not owe a payment.
Who should I make my check or money order payable to?
Make it payable to the “Colorado Department of Revenue.” Write your SSN or ITIN and “2024 DR 0104” on the memo line.
Should I include DR 0104 if I already filed electronically?
No. The form says not to submit DR 0104 if you have already filed electronically.
Does the mailing address need a street address?
No. Mail payments to Colorado Department of Revenue, Denver, Colorado 80261-0008. The address and ZIP code are exclusive to the Department.
Can the State process my check electronically?
Yes. The State may convert your check to a one-time electronic banking transaction. Your account may be debited as early as the day the State receives it, and a converted check will not be returned. If the check is rejected for insufficient or uncollected funds, the Department may collect the payment amount directly from your bank account electronically.