6.—(1) For paragraph (1) of Rule 20 there shall be substituted the following paragraph:—
“(1) It shall not be lawful to sell, whether wholesale or retail, or supply any poison being a liquid contained in a bottle of a capacity of not more than 1.14 litres unless the outer surface of the bottle is fluted vertically with ribs or grooves recognisable by touch.”.
(2) In Rule 20(2) for the words “Sub-paragraph (b) of paragraph (1)” there shall be substituted the words “This Rule”.