<prompt> Human: HelloI am a single male living in Los Angeles and living on my own. I always claim 1 and single.I noticed a year ago my employer had me marked as 0I filed the proper paperwork to fix itFast forward a year later they still havent fixed it. I noticed I was being taxed about 26 for each paycheck so i checked in with them and they admit they never changed me from a 0 to a 1.This is thousands of dollars I have lost over the year. How can I get this money back?Is there anything I can do? Do I need to file taxes differently to fix this mistake they made?Any help would be appreciatedThank you  <response>: You file your taxes the same you would normally and get it refunded by the IRSCalifornia.Nothing specialunique required... 