Maritime law, which is often referred to as admiralty law, is a fundamental branch of law that regulates commerce and navigation on the seas or other navigable waters. It covers a broad spectrum of matters such as the development of legislation, both nationally and internationally; customs and excise regulations; the fishing industry; human rights and employment issues usually relating to the crew; insurance claims; property damage; the implications of stowaways on vessels; pollution; personal injuries; wreck and salvage; piracy; and container and passenger liner matters, etc.