 In French-speaking Canada, commonly used rules of order for ordinary societies include Victor Morin's "Procédures des assemblées délibérantes" (commonly known as the "Code Morin") and the "Code CSN".Legislative assemblies in all countries, because of their nature, tend to have a specialized set of rules that differ from parliamentary procedure used by clubs and organizations.In the United Kingdom, Thomas Erskine May's "" (often referred to simply as "Erskine May") is the accepted authority on the powers and procedures of the Westminster parliament.