But states could decide for themselves whether and how to enforce the ban.

The only country that has enforced the ban so far is Germany.

Enforcing the ban will be up to local city and county governments.

But he will not be able to direct American ships to enforce the ban.

He did not spell out what penalties would be used to enforce the ban.

But German officials say it has proved almost impossible to enforce the ban.

They challenged the electoral council to try to enforce the ban.

And it is not clear whether the local Police Department will even try to enforce the ban.

It's about enforcing the ban on corporate treasury money that took place in 1907.

And schools are facing a more basic reality: it is no longer possible to enforce such bans.