P-42, r. 10.1 - Regulation respecting the safety and welfare of cats and dogs

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6. Floors in the building, and the lower portions of walls with which an animal may come into contact, must
(1)  be made of non-porous, non-toxic, smooth, durable materials that can be washed and disinfected easily, and are mould and corrosion resistant;
(2)  be in good condition and free of holes other than those for urine drainage, with no parts jutting out and no sharp edges or other potential causes of injury.
O.C. 1188-2011, s. 6.