21K. Power to require attendance of persons acquainted with case

An authorized officer making an investigation under this Act may, by order in writing, require the attendance before himself of any person who appears to him to be acquainted with the facts and circumstances of the case, and such person shall attend as so required.

If any such person refuses or fails to attend as required by an order made under subsection (1), the authorized officer may report his refusal or failure to a Magistrate who shall issue a warrant to secure the attendance of such person as may be required by the order.