4. Regulation 6 of the Principal Regulations is amended by inserting after subregulation (2) the following subregulation:
“(2A) The details of the motor spirit and diesel fuel sold each day shall include the reading as at:
(a) if the business operates 24 hours a day—the beginning of each day; or
(b) in any other case—the beginning of business each day;
of any meter through which the motor spirit or diesel fuel was passed for the purpose of ascertaining the volume sold.”.