Can't efile 2024 CT return. TT msg: Return is a non-calendar year

It means there are forms in your Connecticut state tax return that have not been finalized yet. ‌You can check your 2024 state forms availability in these tables.  

If you are using TurboTax Desktop, you can go to the gray bar on top of your screen and click on "‌Review "and it will walk you through any forms with errors on them step by step.   If you are using TurboTax Online you can scroll down to "Review" in the left panel to start this process.  

Also, make sure that all updates have been run for your TurboTax program. (See below for manual update procedures).

You could also try logging out of the program, and clearing your cache and cookies.  Please click here for instructions on how to clear your cache. Please click here for instructions on clearing your cookies.

You may also try using another browser.

Click here for information on manually updating TurboTax.