Passport endorsement (4)
I believe the answer is:
visa
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">passport endorsement</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for visa that I've seen before include "Stamp affixed to passport as permission to enter country" , "It allows the bearer to enter the country issuing it" , "ID" , "Mark on passport" , "Travel warrant" .)