Every profession has to have a clearance where you go before a board.
In 2008 it granted “top secret” clearance to an employee who had recently been convicted of lying to government officials.
After McChrystal's botched interview, Defense Department workers now need Pentagon clearance before talking to the media.
clearance clear·ance (klēr'əns)
The removal of a substance from the blood, expressed as the volume of blood or plasma cleared of the substance per unit time.