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 .
Tax Returns. Keep old tax returns for seven years (or longer, if your financial adviser recommends it). This is the cutoff time for the IRS to audit you or challenge your return, or for you to make certain types of changes to your return.