Administrative body (7)
I believe the answer is:
council
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">administrative body</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for council that I've seen before include "Body of lawmakers" , "Town or county assembly" , "legislative body" , "Sacerdotal garment" , "Elected body organising, say, county affairs" .)