February 15, 2013 (WLS) -- The Internal Revenue Service reports being overrun with eager taxpayers looking for their refunds.
The IRS says its website Where's my refund? and smart phone app are updated once a day - usually overnight.
The agency posts when the tax return is received, when the refund is approved and when the refund is sent. They're telling people there's no need to check the website or app multiple times a day.
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