Power to enter premises without warrant 4 (1) An officer of a local weights and measures authority may enter premises at any 15 reasonable time. (2) In the case of a routine inspection, the power of entry in sub-paragraph (1) may only be exercised if a notice has been given to the occupier of the premises in accordance with the requirements in sub-paragraph (3), unless sub-paragraph (4) applies. (3) Those requirements are that— 20 (a) the notice is in writing and is given by the officer, (b) the notice sets out why the entry is necessary and indicates the nature of the offence under section 39 (obstruction), and (c) there are at least two working days between the date of receipt...