For example, appropriations statutes are not codified. Formal laws were not codified until 1636. Most states in the world have codified constitutions. Private laws also are not generally codified. Jung Bahadur codified laws and modernized the state's bureaucracy. In the twentieth century, canon law was comprehensively codified. Corporations law has been largely codified in the Corporations Act 2001. During this period, laws were codified and a civil service system was introduced. Sometimes, this rule is codified in law. In law, coercion is codified as a duress crime. Laws implementing this power are currently codified at . Generally, only "Public Laws" are codified. Numerous other states have also codified the rule. Openly racialist, the party codified and expanded racial segregation with new apartheid legislation. In 1965, this policy was codified into law.