Commercial law, also known as mercantile law or trade law, is the body of law that applies to the rights, relations, and conduct of persons and business engaged in commerce, merchandising, trade, and sales. It is often considered to be a branch of civil law and deals with issues of both private law and public law.
Commercial law includes within its compass such titles as principal and agent; carriage by land and sea; merchant shipping; guarantee; marine, fire, life, and accident insurance; bills of exchange, negotiable instruments, contracts and partnership. Many of these categories fall within Financial law, an aspect of Commercial law pertaining specifically to financing and the financial markets. It can also be understood to regulate corporate contracts, hiring practices, and the manufacture and sales of consumer goods. Many countries have adopted civil codes that contain comprehensive statements of their commercial law.