> First they need to show proof that you are staying there for longer than allowed. How do they do that? It's not like police is ramping up people who stand s

> First they need to show proof that you are staying there for longer than allowed. How do they do that? It's not like police is ramping up people who stand somewhere for longer than N months. These cases typically come up because people end up homeless, are trying to start claiming benefits, are dodging taxes or are otherwise appearing in front of the authorities.