DOCUMENTATION
Jurisdictions
Uncle Louis covers treaties, domestic tax law, OECD guidelines, EU directives, and case law across 73 jurisdictions. Our knowledge base spans all major treaty networks and tax systems relevant to cross-border advisory work.
Europe
Austria
Belgium
Bulgaria
Croatia
Cyprus
Czech Republic
Denmark
Estonia
Finland
France
Germany
Greece
Hungary
Iceland
Ireland
Italy
Latvia
Lithuania
Luxembourg
Malta
Netherlands
Norway
Poland
Portugal
Romania
Slovakia
Slovenia
Spain
Sweden
Switzerland
United Kingdom
Americas
Argentina
Brazil
Canada
Chile
Colombia
Costa Rica
Mexico
Panama
Peru
United States
Uruguay
Asia-Pacific
Australia
China
Hong Kong
India
Indonesia
Japan
Malaysia
New Zealand
Philippines
Singapore
South Korea
Taiwan
Thailand
Vietnam
Middle East & Africa
Bahrain
Curaçao
Egypt
Israel
Kenya
Kuwait
Mauritius
Morocco
Nigeria
Oman
Qatar
Saudi Arabia
Seychelles
South Africa
Turkey
Ukraine
United Arab Emirates
Source categories
Bilateral tax treaties
Double taxation agreements, MLI modifications, and treaty protocols between covered jurisdictions.
Domestic tax legislation
Corporate income tax, withholding tax, transfer pricing, CFC rules, and anti-avoidance statutes.
OECD guidelines
Model Convention, Transfer Pricing Guidelines, BEPS Actions, and Pillar 1 & 2 GloBE rules.
EU directives
Parent-Subsidiary, Interest & Royalties, ATAD, Merger Directive, and DAC exchange-of-information series.
Case law
CJEU decisions, national supreme court rulings, and tax tribunal judgments with ECLI citations.