(1) When a restricted substance is sold, a sign containing the following statement must be prominently displayed: “It is illegal to sell or supply a restricted substance to any person under the age of 18.”
(2) If the restricted substance is sold or supplied from premises, the sign—
(a) must be confined to the inside of the premises; and
(b) must not be easily visible from outside the premises.
(3) This regulation does not apply to an Internet site from which a restricted substance is sold.