DR 0900C: C Corporation Income Tax Payment Form (2024)
Colorado · Colorado DOR · Used for tax years 2024
Colorado Form DR 0900C accompanies a mailed payment for 2024 C corporation or exempt entity income tax. It records the tax period, entity identification and contact information, and payment amount.
Who files this form
For tax year 2024, use DR 0900C for a C corporation or exempt entity income tax payment. This form must accompany your payment if you filed electronically and want to pay by check.
Do not return this form if you paid electronically or do not owe a payment.
What you'll need
To complete the form and mail your payment, have:
- Your tax period beginning and ending dates.
- Your Federal Employer Identification Number (FEIN) and Colorado Account Number.
- Your corporation name and mailing address.
- Your 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 at Colorado.gov/RevenueOnline or another electronic filing method and paying electronically. If you paid electronically, do not return DR 0900C.
To pay by mail:
- Complete DR 0900C.
- Make your check or money order payable to the “Colorado Department of Revenue.” Round your payment to the nearest dollar.
- Write your Colorado Account Number or FEIN and “2024 DR 0112” or “2024 DR 0990” on the check or money order memo line.
- Make sure the payment amount on the form matches the check or money order.
- Enclose the payment with the full page of DR 0900C. Do not cut the form, send cash, or staple or attach the payment.
Mail to:
Colorado Department of Revenue
Denver, Colorado 80261-0008
A street address is not required because this address and ZIP code are exclusive to the Department.
Common mistakes
- Returning DR 0900C when you paid electronically or no payment is due. Do not file the form in either case.
- Mailing a check after filing electronically without enclosing DR 0900C.
- Forgetting to round the payment to the nearest dollar or entering an amount that does not match the check.
- Leaving off your Colorado Account Number or FEIN and “2024 DR 0112” or “2024 DR 0990” from the payment memo line.
- Sending cash, cutting the form, or stapling or attaching the payment. Enclose the payment with the full page instead.
- Submitting DR 0112 when you have already filed and paid electronically.
- Forgetting to keep a money order copy or record the check number with your tax records.
Questions people ask
Do I need to send DR 0900C if I already paid electronically?
No. Do not return this form if you paid electronically or do not owe a payment.
Can I pay by money order?
Yes. Make it payable to the “Colorado Department of Revenue” and return it with DR 0900C. Do not send cash.
What should I write on my payment?
Write your Colorado Account Number or FEIN and “2024 DR 0112” or “2024 DR 0990” on the memo line of your check or money order.
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, so no street address is required.
Can my check be processed 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. If converted, your check will not be returned.