| See also: |
| 2016 | Paperback | Code of Federal Regulations, Title 26, Internal Revenue, Pt. 2-29, Revised as of April 1, 2016 |
| 2010 | Paperback | Code of Federal Regulations, Title 26, Internal Revenue, Pt. 300-499, Revised as of April 1, 2010 |
| 2009 | Paperback | Code of Federal Regulations, Title 26, Internal Revenue, Pt. 50-299, Revised as of April 1, 2009 |
| 2009 | Paperback | Code of Federal Regulations, Title 26, Internal Revenue, Pt. 30-39, Revised as of April 1, 2009 |
| 2009 | Paperback | Code of Federal Regulations, Title 26, Internal Revenue, Pt. 300-499, Revised as of April 1, 2009 |
| 2008 | Paperback | Code of Federal Regulations, Title 26, Internal Revenue, Pt. 40-49, Revised as of April 1, 2008 |