Taxpayers can track their refund status by using the "Where's My Refund?" The IRS expects more than 140 million individual tax returns to be filed ahead of the April 15 deadline. Taxpayers can begin checking on their tax refund status within 24 hours after the IRS acknowledges receipt of an e-filed return or four weeks after the taxpayer mails a paper return. How to trackWhat we know:Taxpayers can track their refund status by using the " Where's My Refund?" The "Where's My Refund" tool shows the following refund statuses:Return Received – We received your return and are processing it.