I received a written arrest for possessing alcohol underage at a school football tailgate. I was holding my friend's lemonade bottle, but nobody could prove that there was alcohol in it and it was my first offense, so the charge was dropped in court. As for my university, I was not allowed to attend football games until my disciplinary hearing, during which I was found "not responsible" by the university and received no punishment. Thus, I was written up, but deemed not responsible and never punished. Does this constitute IA?