IRS Amended Return 1040-X Refund Timing 2026 — Where's My Refund & 16 Weeks
Filing a Form 1040-X amended return in 2026 means a 16-to-20-week wait — not the 21 days you get on an original return. The tracker is different, the rules are different, and the IRS owes you statutory interest at 8% if they hold your refund past 45 days. Here is exactly what to expect, how to track it, and a worked dollar example showing how the interest math plays out.