Federal Income Tax Reform: New federal tax brackets have been added for tax year 2018! More information will be available soon.

Colorado Free Printable  for 2019 Colorado — Payment for Automatic Colorado Extension for Estates or Trusts

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More about the Colorado Form 105 Extension

We last updated Colorado Form 105 in January 2019 from the Colorado Department of Revenue. This form is for income earned in tax year 2018, with tax returns due in April 2019. We will update this page with a new version of the form for 2020 as soon as it is made available by the Colorado government.

Other Colorado Estate Tax Forms:

In addition to information about Colorado's income tax brackets, Tax-Brackets.org provides a total of 65 Colorado income tax forms, as well as many federal income tax forms. Here's a list of some of the most commonly used Colorado tax forms:

Form Code Form Name
Form 105 Payment for Automatic Colorado Extension for Estates or Trusts
Form 105EP Estate / Trust Estimated Tax Voucher
Form DR 1210 Estate Tax Return
Form DR 0253 Closing Agreement - Estates, Trusts

Download all CO tax forms View all 65 Colorado Income Tax Forms

Disclaimer: While we do our best to keep Form 105 up to date and complete on Tax-Brackets.org, we cannot be held liable for errors or omissions. Is this form missing or out-of-date? Please let us know so we can fix it!

Tax Form Sources:

** This Document Provided By Tax-Brackets.org **
Source: http://www.tax-brackets.org/coloradotaxforms/form-105