52. For section 167 (inquiries and investigations) and section 168 (power of inspection) substitute the following sections—
The Secretary of State may cause an inquiry to be held or an investigation to be made in any case where it appears to him advisable to do so in connection with any matter arising under this Act.
(1) An authorised person may, on production of his credentials, at any reasonable time enter any premises in which a person under the age of eighteen is maintained under this Act and—
(a)inspect the premises; and
(b)make such examination into the state and management of the premises and the condition and treatment of such persons there as he thinks requisite.
(2) A person who wilfully obstructs an authorised person in the execution of his duties under this section shall be guilty of an offence and liable on summary conviction to a fine not exceeding level 3 on the standard scale.
(3) In this section “an authorised person” means a person authorised by the Secretary of State.”.