172 Additional power of persons appointed as a result of section 168(1) or (4).U.K.
(1)An investigator has the powers conferred by section 171.
(2)An investigator may also require a person who is neither the subject of the investigation (“the person under investigation”) nor a person connected with the person under investigation—
(a)to attend before the investigator at a specified time and place and answer questions; or
(b)otherwise to provide such information as the investigator may require for the purposes of the investigation.
(3)A requirement may only be imposed under subsection (2) if the investigator is satisfied that the requirement is necessary or expedient for the purposes of the investigation.
(4)“Investigator” means a person appointed as a result of subsection (1) or (4) of section 168.
(5)“Specified” means specified in a notice in writing.