Common Form CF-1040 is a form used by many Michigan cities. See this Michigan website.
Are you filing a Michigan state income tax return? if so, your Michigan city may have generated CF-1040. Please clarify.
The list of cities using CF-1040 is at the Michigan website.
TurboTax will prepare the form for your Michigan city as you go through the Michigan state income tax return.
@sbreeze76
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