Lex non scripta is a Latin expression that means "'law not written'" or "'unwritten law'". It is a term that embraces all the laws which do not come under the definition of written law or "lex scripta"[1] [i.e.statutory law, created by a governing body<ref>{{Cite web |title=lex scripta definition · LSData |url=https://www.lsd.law/define/lex-scripta |access-date=2024-10-15 |website=www.lsd.law}}</ref>]. it is composed, principally, of the law of nature, the law of nations, the common law,[2] and customs.