9. All conventional (unenriched) cage systems must comply with the following requirements of this paragraph:—
(a)at least 550cm2 of cage area, measured in a horizontal plane, which may be used without restriction, in particular not including non-waste deflection plates liable to restrict the area available, must be provided for each laying hen;
(b)a feed trough which may be used without restriction must be provided and its length must be at least 10cm multiplied by the number of hens in the cage;
(c)unless nipple drinkers or drinking cups are provided, each cage must have a continuous drinking channel of the same length as the feed trough mentioned in sub-paragraph (b) and where drinking points are plumbed in, at least 2 nipple drinkers or 2 drinking cups must be within reach of each cage;
(d)cages must be at least 40cm high over at least 65% of the cage area and not less than 35cm at any point;
(e)floors of cages must be constructed so as to support each of the forward-facing claws of each foot and floor slope must not exceed 14% or 8 degrees when made of rectangular wire mesh and 21.3% or 12 degrees for other types of floor; and
(f)cages must be fitted with suitable claw-shortening devices.
10. On and after 1st January 2012 no person shall keep any laying hen in any conventional (unenriched) cage system.