Regulation 2

in regulation 4(1), by deleting the figure and symbol “1 m²³” and substituting therefor the figure and symbol “10 m²³”; and

in regulation 6, by deleting subparagraph (b) of paragraph (2) and substituting therefor the following subparagraph —

“(b)

have its longer sides connected to the base by bevelled or curved sections (and the corners of the other sides reduced accordingly) provided that the effect is not to reduce the width of the base to less than three-quarters of the width at the top.”.