Goods and Services Tax Council to coordinate GST design, recommend tax scope, rates, exemptions and implementation timing. Constitutes a statutory Goods and Services Tax Council chaired by the Union Finance Minister and composed of the Union Minister of State for Revenue or Finance and State Finance/Taxation Ministers, who elect a Vice Chairperson. The Council shall recommend which taxes and levies to subsume, taxable and exempt goods and services, model GST laws and principles of levy and apportionment, turnover thresholds for exemption, rates including floor rates with bands, temporary special rates for calamities, special provisions for specified states, and the date for applying GST to certain petroleum products; decisions require a three fourths weighted majority with Central and State vote weighting.