Authority for Advance Rulings: composition and bench structure govern who issues binding advance tax rulings. The provision creates an Authority for Advance Rulings composed of a Chairman, Vice-chairmen, revenue Members and law Members with prescribed qualifications, terms, and staffing; it must operate through Benches of three members (Chairman or Vice-chairman, one revenue Member and one law Member), specifies seat and Bench locations, and provides for interim leadership when the Chairman is absent or the office is vacant, while allowing the Central Government to modify the Authority's role or cease its operation by notification.