This site presents the complete U.S. Internal Revenue Code (Title 26 U.S.C.) and Treasury Regulations (26 C.F.R.) in a clean, navigable format.
Update frequency: IRC data is checked weekly; CFR data is checked daily. Sections are updated automatically within 24–48 hours of a new public law or CFR issue.
Disclaimer: This site is for general informational purposes only and is not legal or tax advice. Always confirm against official government sources before relying on any provision for any matter.