3.—(1) If a light source is placed on the market as a part in a containing product, the following statement must be displayed, clearly legible, in the user manual or booklet of instructions—
“This product contains a light source of energy efficiency class <X>”,
where <X> is to be replaced by the energy efficiency class of the contained light source.
(2) If the product contains more than one light source, the statement referred to in sub-paragraph (1) may be in the plural, or repeated for each light source, as appropriate.