Go online to IRS.gov and click the link for "Forms and Publications." Select the "Directory list of filenames" link and click "PDF Formatted Files."
Scroll down the list of forms until you find form F4506T. Click on the file to download it, then print it.
Fill out your personal information on the form and check box 8 to specify that you want Form 1099. Enter the year for which you need the Form 1099 and sign your name at the bottom.
Mail your request to the IRS at Internal Revenue Service, RAIVS Team, Stop 37106, Fresno, CA 93888 or fax the form to (559) 456-5876.