Under the 1986 law, anyone who knowingly employs an illegal alien is subject to penalities ranging from $250 fines to six months in prison.

Until this time, Tiller never knowingly employed them.

It is also illegal for an employer to knowingly employ a barred person in the sector from which they are barred.

Colin denied that it knowingly employed illegal aliens.

Current regulations do not provide procedures that help protect an employer from allegations that he knowingly employed unauthorized workers.

These officials said that after those arrests, 13 Wal-Mart cleaning contractors pleaded guilty to knowingly employing illegal immigrants.

The article reported that the group had signed a certification saying it would not knowingly employ people whose names appeared on several government terrorism watch lists.

You could also be prosecuted for the offence of knowingly employing an illegal migrant worker.

Exxon is charged with knowingly employing an incompetent crew on the 987-foot tanker.

An organisation which knowingly employs someone who is barred to work with those groups will also be breaking the law.