SCHEDULE 2 Additional conditions that apply to the keeping of laying hens in non-cage systems
6 If systems are used where the laying hens can move freely between different levels—
(a) there must be no more than four levels;
(b) the headroom between the levels must be at least 45 cm;
(c) the drinking and feeding facilities must be distributed in such a way as to provide equal access for all hens; and
(d) the levels must be so arranged as to prevent droppings falling on the levels below.