Corporate department (5)
I believe the answer is:
legal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">corporate department</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for legal that I've seen before include "not banned" , "Rightful" , "Legitimate" , "right" , "Lawful" .)