paper returns can take the IRS 4 - 6 months to process.. if you send a second and the IRS has the first this could delay processing even more. in the future, if you are going to mail returns use a method where you can either track them or get proof of delivery. not only is the IRS taking a long time to process returns in some US areas, as mentioned in news reports, the USPS is having trouble getting returns to the addressee - month-long delays if the mail is ever delivered at all.
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