Regulation 14
The graduated weight indicating, printing and tare devices of any non-automatic weighing machine which is first passed as fit for use for trade on or after 1st November 1988 shall—
have scale intervals in one of the following forms:—
1 × 10n, 2 × 10n or 5 × 10n, the index n being a positive or a negative whole number or zero, or
⅛ oz, ¼ oz, ½ oz, 1 oz, 2 oz, 4 oz, 8 oz, ¼ lb or ½ lb; and
subject to paragraph (2) below, give weighing results which comply with the principle of reading by simple juxtaposition.
The requirements of paragraph (1)(b) above shall not apply—
to semi-self indicating machines with mechanical weight indicating devices which have a range of self indication of 2 lb, but no weight printing device;
to semi-self indicating machines, made in accordance with an approved pattern, having mechanical weight indicating devices with a range of self indication of 500 g; or
to that part of any weighing result which is obtained by adding the values of weights or poises.