Since 1991, our country has been enforcing what's called a no-fly zone.

Shipping companies do this to avoid taxes and restrictions that other countries enforce.

It is such a struggle when a country does not enforce its laws.

Other countries do not enforce the law very much.

Not all countries enforced the same measures of protectionism.

Of these, only 10 countries (and one Swiss canton) enforce it.

In return, the country would enforce the property rights with the nation's police power.

But we're not able to do that because of stringent laws foreign countries enforce.

These third countries enforce the security measures in all of their ports and naturally expect the same commitment from us.

The degree to which countries enforce their competition policy varies substantially.