For the purposes of these regulations,—
(a) in determining whether an area of a retail package is more or less flat, decorative ridges, embossing, bulges, and other irregularities must be disregarded:
(b) a soft pack must be treated as being a rectangular solid with 6 flat faces whose edges are equal in length to the corresponding edges of the smallest rectangular solid into which it will fit when not compressed:
(c) a face of a retail package (except a soft pack) that has rounded corners but is otherwise rectangular must, except for the purpose of calculating its area, be treated as being rectangular:
(d) the surface area of a retail package is the area that would be covered by its outer layer if opened out and pressed flat (less any area of the outer layer that is covered by a flap when the package is closed):
(e) in determining the shape of, or the surface area of any part of, a retail package,—
(i) the package must be considered when it is closed; and
(ii) all edges, gaps, and openings appearing when it is opened must be disregarded:
(f) a face of a retail package—
(i) has a portrait orientation if, when the largest brand name on the face is read, the longest edge of the face is vertical:
(ii) has a landscape orientation if, when the largest brand name on the face is read, the longest edge of the face is horizontal.
Compare: SR 1999/70 r 5