33.—(1) A person shall not use any instrument for trade unless it is 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.
(2) A person shall not use for trade an instrument for the purpose of sales by retail—
(a)unless—
(i)the load receptor is not less than 10 mm above any adjacent surface; or
(ii)where the load receptor is less than 10 mm above any adjacent surface, the boundary of the top surface of all adjacent surfaces is durably marked in a distinctive and contrasting manner with a band at least 15 mm in width; or
(b)if the load receptor is below the level of any adjacent surface.