(2) Before or immediately after taking any action under sub‑section (1), the officer referred to in
that sub‑section shall record the grounds and basis of his information and proposed action and
forthwith send a copy thereof to his immediate superior officer.
22. Power to seizure and arrest in public places. An officer authorized under section 21 may—
(a) seize, in any public place or in transit, any narcotic drug, psychotropic substance or
controlled substance in respect of which he has reason to believe that an offence
punishable under this Act has been committed, and, alongwith such drug, substance or
any other article liable to confiscation under this Act, and any document or other article
which he has reason to believe may furnish evidence of the commission of an offence
punishable under this Act; and
(b) detain and search any person whom he has reason to believe to have committed an
offence punishable under this Act, and if such person has any narcotic drug, psychotropic
substance or controlled substance in his possession and such possession appears to him to
be unlawful, arrest him.
Explanation.__ For the purpose of this section, the expression "public place" includes any public
conveyance, hotel, shop or any other place intended for use by, or accessible to, the public.
23. Power to stop and search conveyance. An officer referred to in section 19, may, if he has
reason to suspect that any conveyance is, or is about to be, used for the transport of any narcotic
drug, psychotropic substance or controlled substance in respect of which he suspects that any
provision of this Act has been, or is being, or is about to be, contravened at any time, stop such
conveyance or, in the case of an aircraft, compel it to land and—
(a) rummage and search the conveyance or part thereof;
(b) examine and search any goods on or in the conveyance; or
(c) if it becomes necessary to stop the conveyance, he may use all reasonable force for
stopping it.
24. Undercover and controlled delivery operations.__ (1) Subject to sub‑section (2) and to any
treaty, arrangement or understanding with any foreign State to which Pakistan may from time to time
be party, the Federal Government may give approval in writing to controlled delivery operations, for
the purpose of gathering evidence in Pakistan or elsewhere relating to the commission of any offence
against this Act or a similar law of a foreign State.
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