not really; however, you may need to file your 2017 return for your refund aslongas Federal Income Tax were withheld from your pay on your prior years . however, there is a statute of limitations for filing the claim for refund. A claim for refund must be filed within three years from the time the return was filed or two years from the date the tax was paid, whichever is later. your parents need to file 2017 return for AOC.so if your parents claim your as a dependent, they are entitled to deduct his qualified education expenses and receive the American Opportunity Credit, |