17E+W+SSubject to paragraph 18 below—
(a)soap in the form of a cake, tablet or bar shall be pre-packed only if the container is marked with an indication of quantity by net weight,
(b)liquid soap shall be pre-packed only if the container is marked with an indication of quantity by capacity measurement, and
(c)soap in any other form—
(i)unless pre-packed, shall be sold by retail only by net weight, and
(ii)shall be pre-packed only if the container is marked with an indication of quantity by net weight.