Failure To Sign Tax Return Penalty 2025. If you prepare tax returns in exchange for payment, you are subject to return preparer penalties if you don’t follow the tax laws, rules, and regulations when preparing returns. No penalty if you file an extension, pay your tax bill by april 15, 2025, and file your taxes by october 15, 2025.

No penalty if you file an extension, pay your tax bill by april 15, 2025, and file your taxes by october 15, 2025. The irs has announced the annual inflation adjustments for the year 2024.