law, rule, regulation, precept, statute, ordinance, canon mean a principle governing action or procedure. law implies imposition by a sovereign authority and the obligation of obedience on the part of all subject to that authority. obey the law rule applies to more restricted or specific situations.

Mercantile law is a body of law or a legal code that deals with international commerce, business transactions and operations like agreements, contracts, copyrights, franchising, insurance, licensing, patents, shipping, transport, trademarks, etc.