4.  In Schedule 5 after paragraph 11 there shall be added the following paragraph–

“12.   In the marking relating to item 30 in Schedule 4–

(a) the number referred to in paragraph 2 above will be placed close to the rectangle, either below the letter "e', or to the left or the right of that letter; and

(b) there shall be added, above and close to the rectangle:–

(i) the letter “A” if the device is of the energy absorption type, or

(ii) the letter “S” if the device is of the air/water separator type.”