(1) If the Commissioner -
(a) has received a request under section 42 in respect of any processing of personal data, or
(b) reasonably requires any information for the purpose of determining whether the data controller has complied or is complying with the data protection principles,
he may serve the data controller with a notice (in this Act referred to as "an information notice") requiring the data controller to furnish the Commissioner with specified information relating to the request or to compliance with the principles.
(1A) In subsection (1) "specified information" means information -
(a) specified, or described, in the information notice, or
(b) falling within a category which is specified, or described, in the information notice.
(1B) The Commissioner may also specify in the information notice -
(a) the form in which the information must be furnished;
(b) the period within which, or the time and place at which, the information must be furnished.
(2) An information notice