8. Regulations 9 to 12 below apply to contents gauging systems.
9.—(1) Every contents gauging system shall be made in accordance with a pattern in respect of which a certificate of approval is in force.
(2) Every contents gauging system shall be legibly and durably marked with the number of the certificate of approval, preceded by the words “Certification No.” or “Cert. No.”.
10. The minimum delivery and the liquid fuel which a contents gauging system is designed to measure shall be marked legibly, permanently and conspicuously in a suitable position on or adjacent to the sales indicator.
11. Every contents gauging system shall be fitted with a sales indicator reading in litres or gallons and 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 discharge of liquid fuel from the system.
12. Every contents gauging system shall incorporate a ticket printing mechanism to enable a ticket to be issued indicating the quantity of liquid fuel delivered in each transaction.