Checkpoint offers the following international tax sources for reference.
All International Tax Sources
Actions on Decisions (1967 - Present)
Advance Notices of Proposed Rulemaking & Treasury Decisions
American Federal Tax Reports (Current Year)
American Jobs Creation Act of 2004: A Selective Analysis (Cummings & Hanson)
Analysis of United States Income Tax Treaties (Andersen)
Announcements (1959 - Present)
BEPS Global Currents
Business Entities (WG&L) (Archive)
Carswell’s Taxnet Pro
Catalyst: International (U.S. Income Tax)
Chief Counsel Advice
Chief Counsel Bulletins
Code
Code History
Committee Reports (Code Arranged - USTR)
Corporate Leasing Transactions
Corporate Taxation/Journal of Corporate Taxation (WG&L)
Critical Issues Series: U.S. Information Reporting and Withholding at the Source - FATCA (Dyson & Lloyd)
Critical Issues Series: U.S. Information Reporting and Withholding at the Source – Wage Reporting Under the Federal Insurance Contributions Act (Dyson & Lloyd)
Delegation Orders (1956 - Present)
Derivatives: Financial Products Report (WG&L)
Disclosure Litigation Bulletins & Other IRS Documents
Electronic Commerce: Taxation and Planning (Hardesty)
Executive Orders
FATCA Essentials
Federal Tax Updates
Field Service Advice
Final, Temporary & Proposed Regulations
Foreign Corporations Doing Business in the U.S.
Foreign Tax Credits (Andersen)
Fundamentals of International Taxation: U.S. Taxation of Foreign Income & Foreign Taxpayers (Bittker & Lokken)
General Counsel Memoranda (1962 - Present)
IBFD Daily Tax News Service
IBFD Daily Tax News Service
IBFD Daily Tax News Service Archives
IBFD Regional Analysis
IBFD African Taxation Database
IBFD Asia-Pacific Taxation Database
IBFD Canada Taxation & Investment
IBFD Caribbean Taxation Database
IBFD China Taxation & Investment
IBFD European Taxation Database (includes Central and Eastern Europe)
IBFD Latin American Taxation Database
IBFD Middle Eastern Taxation Database
IBFD North American Tax Surveys
IBFD Transfer Pricing
IBFD Transfer Pricing Database
IBFD Transfer Pricing Journal
IBFD Worldwide Tax Treaties (arranged by first country alphabetically)
IBFD International Tax Glossary
Income Tax Treaties of the United States (Blessing)
Indirect Compliance
Information Letters
Internal Revenue Bulletins
International Taxation: Withholding (Michaels)
International Tax Alert (Archive)
International Taxes Weekly Newsletter (Archive)
International Transfer Pricing: OECD Guidelines (Hammer, Lowell, & Levey)
IR News Releases
IRS Exemption Letters
IRS Technical Assistance
Inbound Tax Report Newsletter (Archive)
Journal of International Taxation (WG&L)
Journal of Taxation (WG&L)
Legal Advice Issued by Associate Chief Counsel
Legal Advice Issued by Field Attorneys
Litigation Guideline Memoranda
Non-Docketed Significant Advice Review
Notices (1980 - Present)
OECD BEPS
OECD Council Recommendations
OECD Economic Surveys
OECD Miscellaneous
OECD Model Conventions
OECD Transfer Pricing Guidelines
ONESOURCE Indirect Tax Global VAT Update
ONESOURCE Indirect VAT Table
ONESOURCE Transfer Pricing
Orbitax Essential International Tax Solutions
Orbitax International Compliance Expert
Orbitax International Tax Expert
Orbitax International Tax Research and Compliance Expert
Preambles to Final and Temporary Regulations (Treasury Decisions)
Preview: Business Entities (WG&L) (Archive)
Preview: Journal of Corporate Taxation (WG&L)
Preview: Journal of International Taxation (WG&L)
Preview: Journal of Taxation (WG&L)
Private Letter Rulings & Technical Advice Memoranda (1953 - Present)
Preambles to Proposed Regulations
Principles of Financial Derivatives: U.S. and International Taxation (Conlon & Aquilino)
Prior Final & Temporary Regulations and Proposed Regulations & Preambles
Advance Notices of Proposed Rulemaking & Treasury Decisions
Code
Code History
Committee Reports (Code Arranged - USTR)
Final, Temporary & Proposed Regulations
Preambles to Final and Temporary Regulations (Treasury Decisions)
Preambles to Proposed Regulations
Prior Final & Temporary Regulations and Proposed Regulations & Preambles
Source Material: IRS Rulings & Releases
Actions on Decisions (1967 - Present)
Announcements (1959 - Present)
Chief Counsel Advice
Chief Counsel Bulletins
Delegation Orders (1956 - Present)
Disclosure Litigation Bulletins & Other IRS Documents
Executive Orders
Field Service Advice
General Counsel Memoranda (1962 - Present)
Information Letters
Internal Revenue Bulletins
IR News Releases
IRS Exemption Letters
IRS Technical Assistance
Legal Advice Issued by Associate Chief Counsel
Legal Advice Issued by Field Attorneys
Litigation Guideline Memoranda
Non-Docketed Significant Advice Review
Notices (1980 - Present)
OECD BEPS
OECD Council Recommendations
OECD Economic Surveys
OECD Model Contentions
OECD Transfer Pricing Guidelines
Other FOIA (Freedom of Information Act) Documents
Private Letter Rulings & Technical Advice Memoranda (1953 - Present)
Revenue Procedures (1955 - Present)
Revenue Rulings (1954 - Present)
Service Center Advice
Strategic Advice Memoranda
Source Material: RIA Worldwide Tax & Commercial Law
Source Material: Tax Treaties and Explanations
IBFD Worldwide Tax Treaties (arranged by first country alphabetically)
Tax Treaties
U.S. Tax Treaty Explanations
Tax Treaty Analysis
Analysis of United States Income Tax Treaties (Andersen)
U.S. Tax Treaty Explanations
WG&L International Treatises
Analysis of United States Income Tax Treaties (Andersen)
Principles of Financial Derivatives: U.S. and International Taxation (Conlon & Aquilino)
American Jobs Creation Act of 2004: A Selective Analysis (Cummings & Hanson)
Critical Issues: U.S. Information Reporting and Withholding at the Source – FATCA (Dyson & Lloyd)
Critical Issues Series: U.S. Information Reporting and Withholding at the Source – Wage Reporting Under the Federal Insurance Contributions Act (Dyson & Lloyd)
Electronic Commerce: Taxation and Planning (Hardesty)
Foreign Tax Credits (Andersen)
International Taxation: Withholding (Michaels)
International Transfer Pricing: OECD Guidelines (Hammer, Lowell, & Levey)
International Transfer Pricing: OECD Guidelines (Lowell, Martin & Levey)
Transfer Pricing Strategies (Lowell & Martin)
U.S. International Taxation (Kuntz & Peroni)
U.S. Taxation of Foreign-Controlled Businesses (Levey)
U.S. International Taxation: Agreements, Checklists, & Commentary (Lowell & Martin)
U.S. Taxation of International Mergers, Acquisitions and Joint Ventures (Dolan, Jackman, Dabrowski & Tretiak)
U.S. International Transfer Pricing (Lowell & Martin)
U.S. International Taxation: Practice and Procedure (Lowell & Martin)
U.S. International Estate Planning (Michaels))
U.S. International Tax Forms Manual: Compliance & Reporting (Tilton)