3. (1) Any member, whether in uniform or not, may enter without a warrant any relevant premises at any time and there make such inspection, examination, observation and enquiry as he or she may think proper for—

(a) the purposes of giving a direction under section 31A(7) of the Act of 1947, whether in relation to a relevant provision or otherwise,

(b) the purposes of issuing an immediate closure order,

(c) the prevention or detection of offences under a relevant provision, under this Act or under section 31A of the Act of 1947, or

(d) an assessment of compliance with a relevant provision, a direction referred to in paragraph (a), an undertaking referred to in section 5(10)(a) or section 7(8), an immediate closure order, an emergency closure order, a compliance notice or a temporary closure order.

(2) Any person who—

(a) prevents or attempts to prevent a member from exercising the power conferred by subsection (1), or

(b) obstructs or attempts to obstruct any such member in the exercise of that power,

is guilty of an offence and is liable on summary conviction to a class C fine.