(1) This regulation:
(a) applies to a prepackage consisting of a package (the outer package ) containing at least 2 products of which at least 1 is a prepackaged product; but
(b) does not apply if regulation 4.23 applies.
(2) None of the products in the outer package is required to be marked with a measurement marking if:
(a) all of the products in the outer package are ordinarily sold only while in the outer package; and
(b) the outer package is marked in the same way as a measurement marking, with a description of each product in the outer package and a statement of its measurement.
(3) The provisions of regulation 4.10 relating to the position of a measurement marking do not apply to a marking mentioned in paragraph (2) (b) if:
(a) the whole of the outer package is transparent; and
(b) all of the products in the outer package are clearly visible through the packaging of the outer package.