In many countries such regulations do not exist and jaywalking is an unknown concept.

Since no regulation exists on the derivatives, they can be traded from one party to another.

Before 1981, no regulations existed; today, 15 states have passed legislation that attempts to control the activities of agents.

Some outdated federal regulations or programs exist simply because they haven't been properly reviewed.

No clear, specific regulations for these adult education classes and courses existed before 1924.

The problem was, and is, that no clear regulation on veiling in public schools has ever existed.

You might think a regulation or an official permission existed to explain the presence of the cars.

The fact is, as the rapporteur points out, that regulations already exist, but they are not observed.

Environmental regulations exist in many countries to limit these emissions.

Such regulations, however, exist on Federal and state levels.