26. A cat that is kept mostly indoors must have access to a litter box that(1) contains a sufficient amount of substrate to allow the cat to bury its dejecta and prevent the appearance of excessive foul odours;
(2) is adapted so that the cat can engage in its normal elimination behaviour such as scratching, digging, crouching, turning around, burying and covering;
(3) is sufficiently high for the cat to enter and exit with ease and well adapted to the cat’s biological needs.