[standuprookie]

They can refuse but normally don't really care. My friend is not as big into animals welfare as I would like him to be, and he said when he was younger him and his uncle went to Petco or PetSmart, can't remember which one. And tried to buy a bunch of goldfish for bait and they told this to the guy behind the counter and they refused to sell them, but all they did was drive to the other one a cross town and not mention this to the other cashier, when he asked if they already had a tank set up at home they said "Yeah you know one of the tin ones with holes in side." The cashier asked no other question or asked what they meant.