4.—(1) All measuring equipment shall be made in accordance with a pattern in respect of which a certificate of approval is in force, and in these Regulations “the pattern” means the particular pattern in accordance with which any particular measuring equipment is so made.
(2) Any measuring equipment first submitted for testing with a view to passing as fit for use for trade before 1st January 1981 may, and any measuring equipment first submitted for such testing on or after such date shall, be legibly and durably marked with the number of the certificate of approval or of the notice of examination, preceded by the words “Certification No.”, “Cert. No.” or “Notice No.”, as the case may be.
5. All measuring equipment shall be legibly and durably marked with the name of the manufacturer.
6. Every individual sales indicator fitted to measuring equipment shall be so arranged that—
(a)the indicator reading is capable of being set to zero before a delivery commences; and
(b)the indicator reading cannot be advanced by any means other than by the proper operation of the equipment.
7. Every marking, notice, inscription or indication (including any pictogram) on measuring equipment referring to the method of operation or to the quantity of liquid fuel delivered shall be conspicuously, legibly and durably marked in a suitable position in plain block characters on a plain background and in distinct contrast to it.
8.—(1) Subject to paragraphs (2) and (3) below, all measuring equipment which forms part of a fixed installation shall be so positioned that a buyer may readily obtain a clear unobstructed view—
(a)of all the operations carried out by any other person using the equipment to measure the liquid fuel being supplied to the buyer; and
(b)of any device on the equipment which is designed to indicate to the buyer the quantity supplied or the amount payable or that delivery is being effected.
(2) Paragraph (1) above shall not apply to any equipment for use only for measuring kerosene except where the equipment is—
(a)situated on premises where petrol is sold; or
(b)used for measuring kerosene in the course of delivery into the fuel tanks of vehicles.
(3) Paragraph (1) above shall not apply to any equipment normally used for the measurement of lubricants in the absence of the buyer.
(4) Any indication on measuring equipment referring in metric units of measurement to the quantity of liquid fuel supplied may be accompanied by a supplementary indication.
9. All measuring equipment shall be used for trade in such a manner that every individual sales indicator shall be set to zero before a delivery commences.