No, it does not provide information about amended tax returns. However you can check the status of your Form 1040X (.pdf), and you amended US Individual Income Tax Return using the Where's My Amended Return?” (WMAR) online tool and the new toll-free telephone line 866-464-2050 three weeks after you file your amended return. WMAR provides personalized, automated, and the most up-to-date information on the status of amended returns in both English and Spanish. You can check the status of a Form 1040X filed for the current year and up to three years prior to that