Deep vein thrombosis (throm-BO-sis), or DVT, is a blood clot that forms in a vein deep in the body. Blood clots occur when blood thickens and clumps together. Most deep vein blood clots occur in the lower leg or thigh.
See Also: Which Tax Software Is Best for You? The IRS generally has up to three years after the tax-filing deadline to initiate an audit, so keep your tax returns and supporting documents at least that longâin other words, after April 15 this year, hang on to returns and documents for tax years 2012 through 2014 .
Keep returns and all supporting documentation at least seven years. The IRS can audit your return for up to three years from your filing date, a limit applying only to good-faith errors. MORE: Josh Patrick on writing your last letter