There are issues in The UCP 600 Rules Letter of Credits (LC) such as, Fraud in LC, Principles Autonomy Indicates (Article 5), All Credits Are Irrevocable (Article 3), Strict Compliance (Article 14(D), (E), (J), Article 18(C)) and Notice of Refusal ( Article 16). What is the relation between these issues with the legal rules and principles of laws to particular busines transaction crossing nationals boarders? Explain with example.