Business Law Assignment Help Australia – Business law, also known as commercial law or mercantile law, is a set of rules that governs the dealings between two people involved in the commercial matters. All the legal commercial matters are executed via agreement, convention, or national or international legislation. A business law is important for maintaining law and order between the two parties. It helps in resolving the disputes and establishing the usually excepted standards. It protects the rights and liberties of the people involved in a business or with government authorities and customers.