You are expected to clean up after your pets.

Pick up after your pets and keep them under control at all times.

As of 2002, a new law will require the city's 200,000 dog owners to clean up after their pets.

They could make fortunes on the outside - especially in cities, looking after people's pets.

They would virtually have to be threatened with the death penalty to clean up after their pets.

The pet owners are responsible for cleaning up after their pets.

"Follow," he said over his shoulder, and stepped off after his pets.

We do not expect the community to look after, say, our pets.

The city has passed a law requiring dog owners to clean up after their pets in public parks.

Finding no financial, social or legal incentives to explain why most dog owners clean up after their pets, they are puzzled.