Financial check (5)
I believe the answer is:
audit
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">financial check</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 "Roman Aquae Sulis" , "Thoroughgoing check" , "Go over" , "review of books" , "Financial review" .)