# The Non-automatic Weighing Instruments (EEC Requirements) Regulations 1993, Regulation 28: Restrictions on use of instruments for trade


(1) A person shall not use an instrument for trade for determining a weight outside its weighing range.
(2) Notwithstanding paragraph (1) above, an instrument may be used for trade—
(a) in the range between zero indication and the minimum capacity only—
(i) during the determination of postal or other tariffs, and
(ii) where there is a common tariff for any weight value at and below that minimum capacity; or
(b) for determining the weight of any item by way of ascertaining the difference between two weights, that is to say, the weight of that item and another item or items and the weight of that other or those other items only.
(3) A person shall not use for trade an instrument carrying a marking required by the EC type-approval certificate or these Regulations for a purpose which does not accord with the marking.
(4) A person shall not use for trade any instrument other than an instrument of accuracy classification as Class I or Class II in any transaction—
(a) in gold, silver or other precious metal;
(b) in precious stones; or
(c) in jewellery.
(5) A person shall not use a Class IIII instrument for trade for any purpose other than for weighing any of the materials to which the expression “ballast” applies in Schedule 4 to the 1985 Act.
(6) A person shall not use for trade any instrument for the purpose of multiple weighing, that is to say, determining the mass of a load by totalling the results of more than one static weighing operation during each of which the load is only partially supported by the load receptor.

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Source: https://www.legislation.gov.uk/uksi/1992/1579/regulation/28 (the official version)
Page: https://openlegislation.uk/non-automatic-weighing-instruments-eec-requirements-regulations-1993/regulation-28
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.