DR 0900F: Fiduciary Income Tax Payment Form (2025)
Colorado · Colorado DOR · Used for tax years 2025
Colorado Form DR 0900F is the 2025 Fiduciary Income Tax Payment Form used to accompany a check or money order payment. It identifies the estate or trust and fiduciary and records the tax period, account information, and payment amount.
Who files this form
Use the 2025 DR 0900F to 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 and mail the payment form, have:
- The 2025 DR 0900F.
- Your Federal Employer Identification Number (FEIN) and Colorado Account Number, for the fields on the form.
- The estate or trust name, fiduciary name, and mailing address.
- Your payment amount and a check or money order.
- Your fiscal-year beginning and ending dates, if using a fiscal year instead of calendar year 2025.
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 pay electronically, do not return DR 0900F.
To pay by mail:
- Complete the 2025 DR 0900F.
- Make your check or money order payable to “Colorado Department of Revenue.” Round the payment to the nearest dollar. The payment amount must match the amount entered on the form.
- Write your Colorado Account Number or FEIN and “2025 DR 0105” on the memo line.
- Enclose your payment with the full page of DR 0900F. Do not cut the form, staple or attach the payment, or send cash.
- Mail to:
Colorado Department of Revenue
Denver, Colorado 80261-0008
No street address is required because this address and ZIP code are exclusive to the Department.
Do not submit DR 0105 if you already filed electronically.
Common mistakes
- Returning DR 0900F when no payment is due or after paying electronically. Do not return it in either case.
- Submitting DR 0105 again after filing electronically.
- Forgetting to round the payment to the nearest dollar or entering an amount that does not match the check.
- Leaving your Colorado Account Number or FEIN and “2025 DR 0105” off the payment.
- Sending cash, stapling or attaching the payment, or cutting the form. Enclose the payment and return the full page.
- Failing to keep a money order copy or note the check number with your tax records.
Questions people ask
Do I need to send DR 0900F if I paid electronically?
No. Do not return this form if you paid electronically or do not owe a payment.
What should I write on my check or money order?
Make it payable to “Colorado Department of Revenue.” Write your Colorado Account Number or FEIN and “2025 DR 0105” on the memo line.
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 a street address is not required.
Should I send DR 0105 again with my payment?
No. The form says not to submit DR 0105 if you have already filed electronically.
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.