Do you mean when you add your 1099-G, you can't e-file? If you can't e-file, you will have to mail your tax return.
You may want to consider filing an extension. The extension gives you until October 15, 2026, to file your taxes without getting a failure to file penalty. You don't get extra time to pay your taxes so you must pay any taxes that you may have that are due by April 15, 2026, so you won't be assessed the failure to pay penalty.
Refer to the TurboTax Help article How do I file an IRS tax extension? for instructions. If you need to file a state extension, review the article How do I file an extension for my personal state taxes?
For more information, refer to the TurboTax article How do I file my return by mail?
Include your W-2s and any 1099s that have tax withheld. Refer to the IRS Tax Tip HOW TO PREPARE YOUR TAX RETURN FOR MAILING for additional information
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