Ahhhh, to have such profound wisdom...
Actually the law is probably still on the books, it was issued in the mid Eighties to get rid of Illegal Aliens in the Construction Industry.
The Fine by the Federal Govt. for a first time offense was $10,000.00 dollars. We were required to report any employee who was in violation, even if they were in the union and the country for 30 years or more.
No one will ever know until the Bush administration gets the will and courage to try.