4.—(1) The external packaging of a unit packet or container packet of cigarettes may contain a barcode but only if each of the following conditions is met.
(2) Those conditions are—
(a)that the sole purpose of the barcode is to facilitate the sale, distribution and stock control of the tobacco product,
(b)that the colour of the barcode is either—
(i)black and white, or
(ii)Pantone 448 C and white,
(c)that the barcode does not form a picture, pattern, image or symbol that is recognisable as anything other than a barcode,
(d)that the barcode appears only once, and
(e)that the barcode does not appear on the front surface of the unit packet or container packet.