ClickBank on Value Added Taxes:

     "Since July 2003, all sellers of digitally-delivered products and services have been required by law (known as E-Commerce Directive 2002/38/EC or the Directive) to collect VAT taxes if the buyer resides in one of the European Community (EC) countries.  ClickBank, acting as the retailer of your product, must comply with this law.  We handle all compliance requirements.  We determine if VAT applies, and at what rate.  We then collect the tax, file a return with each of the countries in the EC, pay the tax, and handle any foreign currency exchange issues."