Litter box etiquette – etiquette on cat litter from Pet Dish TV. Litter box etiquette Imagine you have a full bladder and your only option is a dirty bathroom — or worse, no bathroom. Cats, just like humans, prefer to have a clean, quiet place to relieve themselves. One common reason cats get surrendered to Animal Humane Society is improper litter box use. It can be a frustrating problem, but there are a few simple things you can do to set your cat up for a successful litter box experience. Litter box tips: