Law .

an enactment made by a legislature and expressed in a formal document.

the document in which such an enactment is expressed.

International Law . an instrument annexed or subsidiary to an international agreement, as a treaty.

a permanent rule established by an organization, corporation, etc., to govern its internal affairs.

noun

act , assize , bill , canon , decree , decretum , edict , enactment , measure , ordinance , precept , regulation , legislation , lex , law , order , rule