Form 1040-X

  • Amended Returns in 2026: What Tax Preparers Need to Know

    Tax preparers often file amended returns long after the original filing deadline passes. In 2026, amended returns continue to play a major role in correcting taxpayer errors, claiming missed credits, and responding to IRS notices. While the basic rules for amended returns remain familiar, several procedural changes and IRS modernization efforts affect how preparers handle Form…