Commercial Taxes Department, Government of Bihar official Website.
Commercial (Finance) Taxes Department is headed by a senior IAS officer with the designation Commissioner, Commercial Taxes.
For purposes of administrative convenience the state is divided into 9 Administrative Divisions, 7 Appeal Divisions & 4 Audit Divisions headed by a Joint Commissioner of Commercial Taxes (Admn), joint Commissioner of Commercial Taxes (Appeal) and Joint Commissioner of Commercial Taxes (Audit) respectively.
Commercial Taxes Department,
Vikas Bhawan, Bailey Road, Patna - 800 001.
Web : https://www.biharcommercialtax.gov.in/