Resources

IRS Sources

Internal Revenue Code (Cornell Law School Legal Information Institute)
Treasury Regulations (Cornell Law School Legal Information Institute)
Interactive Tax Assistant
Internal Revenue Bulletins
IRS Official Guidance
Tax Professionals Index
Advance Notice for Tax Professionals
Federal Register
IRS Forms and Publications
Internal Revenue Manual
Audit Technique Guides
International Tax
Exempt Organizations
IRS Criminal Investigation

Research Websites

United States Tax Court
US Court of Federal Claims
Justia
LegalBitstream
Tax Foundation
AICPA Tax
AICPA Accounting & Financial Reporting
All States - Federation of Tax Administrators
FASB Accounting Standards
SEC EDGAR search
IFRS Accounting Standards
NAIC Accounting Practices and Procedures Manual
Canada Revenue Agency
Mexico Tax Administration Services
UK HM Revenue & Customs

Professional Associations & Big 4

American Bar Association Tax Section
AICPA The Tax Advisor
AICPA Journal of Accountancy
pwc Viewpoint
EY Insights
KPMG Insights
Deloitte Accounting Research Tool

State Resources

All States - Federation of Tax Administrators
Texas Comptroller
Arkansas Dept. of Finance and Admin.
Colorado Department of Revenue
Florida Department of Revenue
Louisiana Department of Revenue
Oklahoma Tax Commission

Having trouble researching an issue? I can find the answer to almost anything. Challenge me on a tax or accounting question:

Research Help