Updates since publication
The 2026 figures are final in mid-December with the IRS tables. The IRS and the Colorado legislature do not stop there. Anything that changes afterward is logged here, newest first, with the article it affects.
Twelve articles added to the online edition
New web-only articles, not in the printed booklet: Who should claim the child?, the earned income credit when your ex claims the child, selling your home, income the IRS doesn’t tax, what moves Box 1 on your W-2, audit red flags, wills and probate, the ten most common estate planning mistakes, IRS forms and letters, decoded, and a history of tax reform, 1969 to 2025. Colorado edition only: TABOR: the rule behind your Colorado refund and What’s new for Colorado in tax year 2025.
Affects: the topics list
This page is live before the figures are final
Entries will be added for the November 3 ballot outcomes (Amendment 87, Propositions 136 and NN), the 2027 IRS inflation figures when they are published, any late guidance on Trump accounts, and corrections readers send in.
Affects: the numbers at a glance · Colorado changes already enacted for 2027
How to read an update
Each entry names the date, what changed, and which article it affects. Where a figure is superseded, the entry gives the new figure and the old one. Articles on this site are corrected in place and carry an “Updated” date at the bottom.
Think you have found an error? See how to report one.