National holiday:
Independence Day/Malaysia Day, 31 August (1957)
Constitution:
31 August 1957; amended many times, the latest in 2007
Legal system:
based on English common law; judicial review of legislative acts in the Supreme Court at request of supreme head of the federation; Islamic law is applied to Muslims in matters of family law and religion; has not accepted compulsory ICJ jurisdiction
Suffrage:
21 years of age; universal
Executive branch:
chief of state: King - Sultan MIZAN Zainal Abidin (since 13 December 2006); (the position of the king is primarily ceremonial)