The commissioner shall have authority to suspend or revoke the certificate of authority of any company or association failing to comply with any of the provisions of section 511.8 , or for violating the same. [SS15, §1806; C24, 27, 31, 35, 39, § 8745; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §511.9 ]