It does not appear the K-26 credit form was included in the package Turbo Tax submitted to the state. Do I need to submit this form to Kansas as a paper form?
If you're claiming a credit on Form K-26, you'll need to file the form with your individual tax return. And, since TurboTax doesn't provide Form K-26, you'll need to print and mail your Kansas return, with Form K-26 attached.
For more information, see:
Line 15 (Other credits) in the Kansas Income Tax Booklet
TurboTax's Tax form availability app
The TurboTax Help article How do I print and mail my return in TurboTax Online?
Feel free to post back should you have any other questions.
I'm in this same situation. I e-filed a KS state return with the missing K26 document.
The efiled return was already accepted (but no refund has been issued yet). To correct this, do I need to amend the tax return myself with a K40 and mail that package in?
Maybe. Wait until you get something from the state either finishing the first filing or asking for missing information. You may not have to amend. If you do end up needing to amend, see I need to amend my state return.