7.—(1) An authorised person may examine a vehicle for the purpose of ascertaining whether any document required by a charging scheme to be displayed while a vehicle is on a road in a charging area is so displayed.
(2) An authorised person may examine a vehicle for the purpose of ascertaining—
(a)whether any equipment required by a charging scheme to be carried in or fitted to a vehicle while the vehicle is on a road in a charging area—
(i)is so carried or fitted,
(ii)is in proper working order, or
(iii)has been interfered with with intent to avoid payment of, or being identified as having failed to pay, a charge; or
(b)whether any conditions relating to the use of such equipment are satisfied.
8.—(1) An authorised person may enter a vehicle which is on a road where he has reasonable grounds for suspecting that—
(a)any equipment required to be carried in or fitted to the vehicle while it is on a road in respect of which charges are imposed has been interfered with by a person who intends to avoid payment of, or to be identified as having failed to pay, a charge imposed by the charging scheme; or
(b)there is in the vehicle a false document which has been made or used by a person who intends to avoid payment of, or to be identified as having failed to pay, such a charge.
(2) The power conferred by paragraph (1) shall not be exercised by an authorised person who is not a constable, except in the presence of a constable.
9.—(1) An authorised person may seize anything (if necessary by detaching it from a vehicle) and detain it as evidence of commission of an offence under paragraph 25 of Schedule 23 to the Greater London Authority Act 1999.
(2) The power conferred by paragraph (1) shall not be exercised by an authorised person who is not a constable, except in the presence of a constable.