The Commissioner of Revenue of the Department of Revenue shall be the executive officer of the Department of Revenue. He shall have the power and authority to perform all duties and powers prescribed by the laws of this state to be performed by the Chairman of the State Tax Commission, the Commissioner of Revenue, the State Tax Commission or the Department of Revenue. The commissioner shall have the power and authority to enforce all rules and regulations promulgated by him, the Chairman of the State Tax Commission or the State Tax Commission.