If you already filed your 2014 taxes congratulations! But have you given thought to a couple of years ago when you thought you made too little money to file your taxes? Well, listen up. The IRS reports that every year about 900,000 people don’t file their taxes, because their income is under the IRS income filing threshold, but they may be missing out on a tax refund of close to $600. If that is you, your deadline to file your 2011 taxes to claim your unclaimed tax refund is April 15, 2015. Find out more here.