According to Britannica Encyclopedia, "Business Law" is defined as "the body of rules, whether by convention, agreement, or national or international legislation, governing the dealings between persons in commercial matters".
Laws and Regulations which fall in Business Law categories are: Advertising Law, Employment & Labor Law, Environmental Regulations, Finance Law, Licenses & Permits, Patents, Trademarks, Copyright, E-Commerce, Privacy Laws, Taxs, Uniform Commercial Code, Workplace Safety & Health.