This procedure was once common but is now rarely invoked; the last certificate accepted for review was in 1981.

Such a procedure can be invoked in the usual way:

Stored procedures can also be invoked from a database trigger or a condition handler.

There are few hard figures on how often the procedures are invoked, and states appear to vary widely in their application of discipline.

It was almost impossible to trace the origin of local calls unless special procedures were invoked.

Off city land, the procedure is invoked for construction bonuses, remapping and rezoning.

The procedure has not been invoked to date.

The disciplinary procedure has been invoked only once before, against Portugal, and that case is still years away from being resolved.

The procedure is invoked by a motion to commit to the committee of the whole, or simply to go into a committee of the whole.

Also, callers generally must deal with such failures without knowing whether the remote procedure was actually invoked.