International Courts Tribunal, Commercial Arbitrations & the WTO

Here is my topic:

''The Andean Community Court of Justice and the Southern Common Market in Latin-America Dispute Settlement System'' 

I would like to have an answers for these questions in the assignment;

Questions:

1. Selection and Composition of the Adjudicators

2. Procedural Rules relating to provide to the access to the tribunals

3. Fact  finding examples of the courts by examine the sample court decisions

4. Legal interpretation of the applicable rule of law by examine the sample court decisions

Thank you!