86(1)
The valuation officer and any person authorised by him in writing in that behalf shall have power, at all reasonable times and after giving not less than twenty-four hours' notice in writing and, in the case of a person authorised as aforesaid, on production if so required of his authority, to enter on, survey and value any hereditament in the area for which the valuation officer acts.
86(2)
If any person wilfully delays or obstructs any person in the exercise of any of his powers under this section, he shall be liable on summary conviction to a fine not exceeding five pounds.