Power to observe carrying on of business etc. 15 3 (1) An officer of a local weights and measures authority may enter premises to which the public has access in order to observe the carrying on of a business on those premises. (2) The power under sub-paragraph (1) may be exercised at any reasonable time (whether or not the public has access at that time). (3) The power of entry under sub-paragraph (1) may be exercised without first giving notice 20 or obtaining a warrant. (4) In this paragraph, “premises” includes any— (a) land or building, (b) vehicle, vessel, trailer, aircraft or hovercraft, (c) tent or moveable structure, 25 except...