A warning message and the corresponding explanatory message are displayed on a retail package in accordance with this regulation if, and only if,—
(a) The warning message is displayed on both the outside of its lid and the outside of its base; and
(b) Each warning message covers at least one quarter of the face it is displayed on; and
(c) The explanatory message—
(i) Is displayed on, and covers at least one third of the inside of, its lid; and
(ii) Is oriented so that the upper edge of its background is no more than 3 mm below the edge of the lid opposite the hinge; and
(d) Each message complies with regulation 7.