It is even more likely that kaffarah would be obligatory on...

It is even more likely that kaffarah would be obligatory on him if his ignorance was due to negligence. While if he was originally ignorant about whether janabah had happened or not and he was not aware that he was junub at the time of fajr, then not only would kaffarah not be obligatory upon him but even qada.

56- If one had made a nadhr to fast a certain day or to pray a certain salat or he had made an oath of that, then he broke his oath or nadhr, is he obliged to do qada of that sawm or salat in addition to the kaffarah? And is there a difference between an oath and a nadhr in this regard? A:…