Estonian parliament Riigikogu is elected by citizens over 18 years of age for a four-year term by proportional representation, and has 101 members. Riigikogu's responsibilities include approval and preservation of the national government, passing legal acts, passing the state budget, and conducting parliamentary supervision. On proposal of the president Riigikogu appoints the Chief Justice of the Supreme Court, the chairman of the board of the Bank of Estonia, the Auditor General, the Legal Chancellor, and the Commander-in-Chief of the Defence Forces.