The composition, characteristics of manufacture and labelling of the products, and all forms of publicity for such products shall conform to the definitions and rules laid down in the Crystal Glass Order and in the Schedules therein.
The descriptions in column (b) of the First Schedule of the Crystal Glass Order may not be used commercially for products which do not have the corresponding characteristics specified in columns (d) to (g) of the First Schedule. If a product covered by the Crystal Glass Order bears one of the descriptions listed in column (b) of the First Schedule, it may also bear the corresponding identifying symbol shown and described in columns (h) and (i) of the First Schedule.
Where a trade mark, the name of an undertaking or any other inscription contains, as a main part, as an adjective or as a root, a description appearing in columns (b) and (c) of the First Schedule or a description liable to be confused therewith, the trademark, name or inscription shall immediately be preceded by the following, in very prominent lettering:
(a) the description of the product, where that product has characteristics specified in columns (d) to (g) of the First Schedule;
(b) a statement of the exact nature of the product, where that product does not have characteristics specified in columns (d) to (g) of the First Schedule.
The description and identifying symbols given in the First Schedule may appear on one and the same label.
Methods of Analysis
The methods laid down in the Second Schedule of the Crystal Glass Order, and only those methods, shall be used to verify that products bearing descriptions and identifying symbols have the characteristics corresponding thereto as specified in columns (d) to (g) of the First Schedule.