It may be on the house
I believe the answer is:
lien
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">it may be on the house</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 lien that I've seen before include "Legal claim on Nile" , "Right to a lawyer" , "Right to retain property until a debt is paid" , "Legal right to detain property" , "The right to take property if an obligation is not met" .)