National holiday:
Birthday of King PHUMIPHON (BHUMIBOL), 5 December (1927)
Constitution:
constitution signed by King PHUMIPHON (BHUMIBOL) on 24 August 2007
Legal system:
based on civil law system, with influences of common law; has not accepted compulsory ICJ jurisdiction
Suffrage:
18 years of age; universal and compulsory
Executive branch:
chief of state: King PHUMIPHON Adunyadet or (BHUMIBOL Adulyadej) (since 9 June 1946) head of government: Prime Minister ABHISIT Wetchachiwa, also spelled ABHISIT Vejjajiva (since 17 December 2008); Deputy Prime Minister OLARN Cahipravat (since 24 September 2008); Deputy Prime Minister SANAN Kachornprasat, also spelled SANAN Kachornparsart (since 7 February 2008); Deputy Prime Minister SOMPONG Amornwiwat (since 24 September 2008) cabinet: Council of Ministers note: there is also a Privy Council elections: monarch is hereditary; according to 2007 constitution, prime minister is designated from among members of House of Representatives; following national elections for House of Representatives, leader of party that could organize a majority coalition usually was appointed prime minister by king; prime minister is limited to two 4-year terms