You can file form 4506 and pay $43 to the IRS and get a copy of a previous year return or file Form 4506-T to order a free transcript of tax return info that provides line entries from tax returns for 3 prior years and data from forms W-2 and 1099. http://www.irs.gov/Individuals/Get-Transcript
https://www.irs.gov/newsroom/heres-how-people-can-request-a-copy-of-their-previous-tax-return
