Complex sentence: Their non-reflexive form (no postfix "~ ся") clearly rules out the binding of this act to the owner of the document so it is not the person who appeared ("presented" himself) in a police department but the passport itself.
Split into simpler sentences: Their non-reflexive form (no postfix "~ ся") clearly rules out the binding of this act to the owner of the document. So it is not the person who appeared ("presented" himself) in a police department but the passport itself.