LEV 16:2

2 He said to him/me, “Warn your [older] brother Aaron that he must not enter the Very Holy Place inside the curtain that is in the Sacred Tent whenever he wants to, because the cover of the sacred chest is there. That is the place where the priest ◄makes atonement for/requests me to forgive► sins. I am present in the cloud that is over the cover of the sacred chest. If Aaron goes in that room when it is not the proper time, he will die!