23. Where a non-automatic weighing machine is fitted with one or more level indicating devices, a person shall not use the machine for trade unless each device indicates that it has been set to its reference position.
24. Where a non-automatic weighing machine is marked with a temperature range, a person shall not use the machine for trade in temperatures outside that range.
25. Where a non-automatic weighing machine is marked with the manner of use, a person shall not use the machine for trade in a manner which does not accord with the marking.
26. Where a non-automatic weighing machine is fitted with a weight or any other printing device, the machine shall be so erected and used that the printing device, when used, produces a clear and durable printout.
27. A person shall not use for trade a non-automatic weighing machine when any live part is wholly or partly submerged in liquid, except as specified in the published particulars of the approved pattern.
28. Every non-automatic weighing machine shall be erected and used in such a manner that, during a weighing operation, the load being weighed is stationary relative to the load receptor and supported only by the load receptor.
29. Except as specified in the published particulars of the approved pattern, every non-automatic weighing machine shall be erected in such a manner that the operator can, notwithstanding the nature of the machine or its surroundings, readily take up a single position from which he can—
(a)see, directly or with the aid of mirrors, closed-circuit television or other suitable permanently installed facilities, the whole of the unladen load receptor;
(b)operate the weighing machine’s controls; and
(c)obtain a weight reading from the weighing machine.
30.—(1) Subject to paragraph (2), every Class I or Class II non-automatic weighing machine, used in association with a weight or weights to determine the value of any load in terms of metric units of mass other than carat (metric) units, shall be used for trade for such purpose only in association with weights which bear the mark of EEC initial verification in accordance with—
(a)the provisions of Council Directive No. 74/148/EEC(1) on above-medium accuracy weights in the case of Class II machines; or
(b)the provisions of the said Directive except for those provisions relating to weights of Class M1 in the case of Class I machines.
(2) The requirements of this regulation shall not apply to any non-automatic weighing machine for use for trade in any transaction by retail in drugs or other pharmaceutical products.
31.—(1) Subject to paragraph (2), every non-automatic weighing machine shall be properly balanced or set to zero immediately prior to use.
(2) Paragraph (1) shall not apply in the case of a machine of an approved pattern if, in the published particulars thereof, it is described as not being so constructed as to balance when unloaded.
O.J. No. L84, 28.3.1974, p. 3