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 the face specified in Schedule 2 for a package of that kind; and
(b) The explanatory message is displayed on the face opposite the face on which the warning message is required by paragraph (a) to be displayed; and
(c) The areas covered by the warning message and the explanatory message are as set out in the item in Schedule 3 that applies to the package; and
(d) Each message complies with regulation 7.