Copies of federal tax returns can be requested from the Internal Revenue Service (IRS) on Form 4506, “Request for Copy or Transcript of Tax Form,” which is available online at http://www.irs.gov/pub/irs-fill/f4506.pdf
. Please note that written requests submitted on IRS Form 4506 and requests made via telephone (1-800-829-1040) should be fulfilled within 10 to 15 days. The IRS has provided an information sheet with detailed steps on how to make the request.