Having seized a thing, an authorised person may--
(a) move the thing from the place where it was seized (the place of seizure); or
(b) leave the thing at the place of seizure, but take reasonable action to restrict access to it.
Examples of restricting access to a thing--
sealing a thing and marking it to show access to it is restricted
sealing the entrance to a room where the thing is situated and marking it to show access to it is restricted