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Internal Revenue Service
Internal Revenue Bulletin (IRS)
Announces official IRS rulings and procedures, and publishes Treasury Decisions, Executive Orders, Tax Conventions, legislation, court decisions, and other relevant items.
Internal Revenue Service Web
Search for electronic reading room for a comprehensive list of documents and other information available electronically on the site, listed by subject. Search for statistics to see data on the tax system.
Understanding IRS Guidance
A brief look at seven of the most common forms of IRS guidance.