(1) In exercising a power under this Act in relation to a person, an authorised officer must--
(a) produce the authorised officer's identity card for the person's inspection before exercising the power; or
(b) have the identity card displayed so it is clearly visible to the person when exercising the power.
(2) However, if it is not practicable to comply with subsection (1), the authorised officer must produce the identity card for the person's inspection at the first reasonable opportunity.