18 No. 12 Tanzania Communications Regulatory Authority 2003 (5) Any person who without lawful excuse, refuses or fails to comply with a summons under this section, commits an offence and is liable on conviction to a fine of not less than the equivalent in Tanzanian shillings of United States dollars five hundred or to imprisonment for a term not less six months or both such fine and imprisonment. (6) Where the Authority has reason to believe that a person is in possession or control of any information or document which may assist in the performance of its functions and that person has refused or failed to supply such information or document, the Director-General, Secretary or any officer of the Authority may apply to the Fair Competition Tribunal or a competent court for issuance of a warrant authorizing a police officer to enter into any premises believed to contain or into which a document is kept or hidden and conduct search and make copies or take extracts of documents therein. (7) On application under subsection (6), the Chairman of the Tribunal or any authorized person, may, on application issue a warrant authorizing any police officer to forcibly enter the premises to conduct the search and make copies or take extracts of documents there in. (8) Any person, who knowingly gives false or misleading information or evidence in purported compliance with a summons under this section, commits an offence. 18.- (1) The Authority may conduct an inquiry where it considers it necessary or desirable for the purpose of carrying out its functions. (2) The Authority shall conduct an inquiry before exercising power to (a) grant, renew or cancel a licence with an exclusivity period or universal service obligation; (b) regulate any rates or charges; (c) adopt a code of conduct. (3) Where the Minister directs by notice in writing that an inquiry be conducted, on any specified subject matter of the inquiry, the Authority shall conduct the inquiry. Power to hold inquiries