Claim tax deductions and losses allocated and apportioned to income effectively connected with a U.S. trade or business. Do not include deductions/losses that relate to exempt income or to income that is not ef
You want to claim a tax refund, which most often happens because withheld taxes exceeded your tax liability or because you want to claim tax credits. The 3-year statute of limitations for an IRS audit starts tolling when you file a return; if you don't file a return, then the IRS can...