How Bulgaria managed to upset Serbia and Hungary due to a new tax on the import and transit of Russian gas / Bulgarian press: The Bulgarian tax is probably aimed at Austria
Customs in Bulgaria: what you can and cannot take with you - tripmydream
Bulgaria – the upcoming country for imports & exports
Everything You Need to Know About Dubai Import Tax - Virtuzone
Cigarette Taxes in the EU | European Cigarette and Tobacco Tax Map
Value Added Tax (VAT) Guidelines: Bulgaria | Rödl & Partner
Bulgaria Has Right to Impose Tax on Russian Gas, Prime Minister Denkov Says - Bloomberg
Bulgaria – EU country profile | European Union
EU Excise Duty on Alcohol | Distilled Spirits Taxes | Tax Foundation