ציטירנדיקער פּירוש אויף ויקרא 4:10

When he becomes aware Scripture employs brevity, as in the case of the High Priest [:3]; but the intent is to include both the case when the chief learns himself that he has sinned, and the case when someone who observed him in the act informs him. The phrase he becomes aware employs a verb in the past tense (as in “when you are besieged” [Deuteronomy 28:52]). Scripture omits the actor, as in “who was born to Levi” [Numbers 26:59]. Rabbi Moshe ben Shmu’el Gikatilla HaKohen holds that the verb is in the passive voice, for the ḥolem vowel interchanges with the shuruq vowel (as in, “Joseph had been brought down to Egypt” [Genesis 39:1]). The chief brings a male goat, as Sa‘adya Gaon pointed out when he explained the verse, “a greyhound, and a male goat,” [Proverbs 30:31] in his commentary on the Book of Proverbs. Although the animal is male, because of the chief’s high stature, nevertheless: 1) Its blood is not brought into the Sanctuary; and 2) The kohanim eat from the chief’s sin-offering, to secure atonement for him, as it is written [:27]; even though the High Priest does not eat from his own sin-offering.