Sch 6 para 21 Manner of erection and installation
(1) Every automatic catchweigher must be positioned so as to facilitate cleaning and testing. (2) The installation of an automatic catchweigher must be so designed that an automatic weighing operation will be the same for testing as for use for a transaction. (3) If an automatic catchweigher has any special equipment for its control which is not a permanent fixture of the catchweigher, it must be kept in the vicinity of the catchweigher.