(a) the permissible actual deficiency is the deficiency specified in Column 2 of the Table to this regulation opposite the description of the class of article in Column 1 of that Table; and
(b) the permissible average deficiency is the deficiency specified in Column 2 of the Table to this regulation opposite the description of the class of article in Column 1 of that Table.
(2) If the article consists of a mixture of any 2 or more of class A, B or C fibres (as described in Column 1 of the Table to this regulation)—
(a) the permissible actual deficiency is the deficiency, expressed as a percentage, calculated in accordance with the formula 6 x + 2 y + 5; and
(b) the permissible average deficiency is the deficiency, expressed as a percentage, calculated in accordance with the formula 6 x + 2 y ;
where—
x is the proportion that the mass of all class A fibre (if any) in the article bears to the total mass of the article; and
y is the proportion that the mass of all class B fibre (if any) in the article bears to the total mass of the article.
TABLE