Tax season is stressful enough, but for the 2025 filing year (filed in 2026), the IRS has introduced a suite of new forms and reporting thresholds that specifically impact older filers. The introduction of the “OBBBA” senior deduction and the lowered reporting limits for online sales mean that your tax return will look different than it did last year. If you file using the “same old” method and ignore these new schedules, you risk an automatic rejection or a “math error” notice that delays your refund for months. The IRS computers are programmed to look for these specific attachments, and missing them is an immediate red flag. Here are the six new or updated forms that could trigger an audit if mishandled this spring.
