Section 49

any person or premises specified by the foreign government or foreign authority in a request under section 43;

any person who, or any premises which, is suspected by the senior police officer to be necessary or expedient to be searched in relation to such request.

For the purposes of any search under subsection

, a senior police officer shall have and may exercise all or any of the powers exercisable by a senior police officer under sections 16 and 17 as if the circumstances specified in these sections for their exercise existed and sections 18 and 19 shall accordingly apply in relation to any search under subsection

.

Seizure and transmission of property or article