A formal warning with regards to maintenance was given in November 2011.

Arguably, there is less of a need for formal warnings where senior employees are concerned.

"He was issued with a formal written warning for professional misconduct."

For that infraction, he received a formal warning from the league.

I propose to issue one more formal warning, direct to Beijing.

This resulted in several formal warnings and penalty payments from the local government.

The committee could recommend responses from a formal warning to dismissal.

Following internal disciplinary hearings two of the three teachers were given a formal warning.

He was released a week later and given a formal warning.

The operator received an earlier formal warning over timekeeping in June 2005.