Question 1 Different types of taxes The different types of taxes in the UK Taxation System includes the following: Company Taxes Indirect Taxes 2. Family Taxes 3. Direct Taxes Question 5 Principal sources of revenue law UK tax law has developed over the course of time from several sources. One important source of UK Tax law is Case law. Case law relates to: Law that has been set by the UK Parliament 01. Regulations issued periodically from the local municipalities 02 Law that has been set by the European Union (EC) 03 Law developed over time due to tax disputes between tax authorities and individuals and entities