Examination of accounts (5)
I believe the answer is:
audit
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">examination of accounts</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for audit that I've seen before include "vetting of books" , "review of books" , "Financial inspection" , "Examine accounts" , "Check of books" .)