Tax Day is April 17th (2018) and not only are taxes due for 2017, but an estimated one million taxpayers who didn’t file a 2014 federal income tax return could lose out. According to the IRS, a total of about $1.1 billion might be waiting for those taxpayers. To collect the money, they have to file their 2014 tax return with the IRS no later than this year’s deadline. “We’re trying to connect a million people with their share of $1.1 billion in unclaimed refunds for 2014,&q…