What 2017 tax records can you toss once you’ve filed your 2017 return? The answer is simple: none. You need to hold on to all of your 2017 tax records for now. But it’s the perfect time to go through old tax records and see what you can discard. The 3-year and 6-year rules At minimum, keep tax records for as long as the IRS has the ability to audit your return or assess additional taxes, which generally is three years after you file your return. This means you potentially can get rid of most records related to tax returns for 2014 and earlier years. (If you filed an extension for your 2014 return, hold on to your records at least until the three-year anniversary of when...