@JimO2 --
"The only investment income I had taxable by Colorado were ordinary and qualified dividends and capital gains that doesn't amount to much. These were from an IRA invested in a short term bond mutual fund."
Investment income earned within an IRA is not taxable. If CO taxes were withheld this suggests that you took an IRA distribution. IRA funds are taxable only when withdrawn and then only by the IRA owner's state of residence. It's a bit unclear, but it sounds to me like you have no CO-source income and therefore owe no CO income tax. If CO taxes were withheld by mistake, then in order to obtain a refund you must file a nonresident CO return on which you report the withholding but allocate zero income to CO . And if this is the situation, line 18 of your MI-1040 should be zero.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
