The Finance Commissions (IAST: "Vitta Āyoga") are commissions periodically constituted by the President of India under "Article 280" of the Indian Constitution to define the financial relations between the central government of India and the individual state governments. The First Commission was established in 1951 under The Finance Commission (Miscellaneous Provisions) Act, 1951. Fifteen Finance Commissions have been constituted since the promulgation of Indian Constitution in 1950. Individual commissions operate under the terms of reference which are different for every commission, and they additionally define the terms of qualification, appointment and disqualification, the term, eligibility and powers of the Finance Commission. As per the Constitution, the Commission is appointed every five years and consists of a chairman and four other members.