He released a statement that said the union would defend its members but did not criticize the internal investigation.
But the teachers' union defends its criticism of the company.
The union defended the system because it thought that merging the two would cause some workers to lose rights and benefits.
In New York, the powerful 375,000-member state teachers' union vigorously defends permanent licensing.
The holding union must defend the Shield in challenge matches, and if a challenger defeats them, they become the new holder of the Shield.
Establishing extensive links into the local community may help unions defend terms and conditions within their traditional workplaces.
But unions defended themselves, saying they would go along with the legislation as long as new trade agreements guaranteed labor and environmental rights.
The European Union will be an internal market, a union for customs purposes, but never a true union of free citizens defending the same interests.
Even the drivers' union, the New York Taxi Workers Alliance, does not defend such behavior.
Without the deductions, he said, the union could not pay its employees or defend them in the many disciplinary cases that arise each year.