Skip to Main Content

Federal Tax Resources

This page includes descriptions of rulings and regulations and where to find them.

Code of Federal Regulations

Compilation of federal agency regulations presently in effect; IRS regulations are in CFR 26; Cited as CFR

Federal Register

Daily compilation of federal regulations, rules, and orders in the order of issue; See entries for "Internal Revenue" or "Treasury", Cited as FR

Cumulative Bulletin

A consolidation of items of a permanent nature from the IRB; cited as CB

See Checkpoint or CCH AnswerConnect for access

Located at T 22.25: (3rd Fl., Federal Doc.)

Internal Revenue Bulletin

Announces official rulings and procedures of the IRS and includes Revenue Rulings (rev rul), Revenue Procedures (rev proc), Treasury Decisions, etc.; Cited as irb

See Checkpoint or CCH AnswerConnect for access

Located at T 22.23: (3rd Fl., Federal Doc.)

Bulletin Index-Digest System

A finding aid to the Cumulative Bulletin arranged by topic

Located at T 22.25/5 (3rd Fl., Federal Doc.)

Letter Rulings

Often cited as PLR

IRS Rulings

Often Cited as rev rul, rev proc; Also includes Notices, Announcements, and Releases

See Checkpoint or CCH AnswerConnect for access.