Quote Originally Posted by Assertn View Post
Kabuto's ninja info cards showed that Naruto hadn't completed a mission higher than C rank during the chuunin exams, so that would mean the hokage never gave him credit for contributing to that fight if they DID end up reporting it.
Or, seeing as he was an old sap, he kept the current ranking of the mission so he did not have to overcharge the bridge country (or whatever) and likely has it as a footnote. I know I am reading way too into this, but it is a kind of slow day at work.