After you file

You would need to go back to the year it was purchased and file an amended return.  

You have 3 years for the due date to file an amended return and get a refund, so the 2013 was due 4-15-2014 and can be amended until 4-15-2017.  So if it was 2013 or after you are OK.

See below for amended return instructions. 

https://ttlc.intuit.com/replies/3288565

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