Mode of access: Internet at the IRS Web site. Address as of 8/28/08: http://www.irs.gov/pub/irs-pdf/f8606.pdf; current access is available via PURL.
Available also on CD-ROM: United States. Internal Revenue Service. Tax products CD-ROM. Some forms also available on paper: United States. Internal Revenue Service. Reproducible copies of federal tax forms and instructions.