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Notice of Deficiency without Statement of Account/Payment Voucher
The Colorado Department of Revenue sent "Notice of Deficiency or Rejection of Refund Claim" letters dated June 30, 2017, without the Statement of Account and Payment Voucher due to a system process error. We apologize for any confusion this may have caused. Customers should receive a new letter with complete information in the mail in the next few business days. To preserve taxpayers' right to protest a tax bill, we will reset the 30-day protest period to the date of this new letter. For more information about the balance due prior to receiving the new letter, customers can log into their Revenue Online account 24/7 or call the taxation information hotline at 303-238-7378 on Mon-Fri @ 8 a.m. - 4:30 p.m. 


Request a Payment Arrangement
Log into your Revenue Online account or call Department of Revenue Collections at 303-205-8291. Our agents will set your monthly payment amount in consideration of the total amount of tax debt owed. If the monthly payment amount creates a financial hardship, you can request longer payment terms by completing and mailing Form 6596 Statement of Income and Expenses. However, you must continue to meet the terms of your agreement while your application is being reviewed.

If you don’t receive your payment voucher, remit your payment on Revenue Online and call Department of Revenue Collections Section at the number listed above. Penalties and interest continue to accrue until your balance is paid in full. If you are in danger of defaulting on your installment agreement for any reason, contact us immediately. See more on our Payment Options webpage.


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