וְהִקְרִ֧יב אַהֲרֹ֛ן אֶת־פַּ֥ר הַחַטָּ֖את אֲשֶׁר־ל֑וֹ וְכִפֶּ֥ר בַּעֲד֖וֹ וּבְעַ֥ד בֵּיתֽוֹ׃
And Aaron shall present the bullock of the sin-offering, which is for himself, and make atonement for himself, and for his house.
Read kabbalistic (mystical) interpretation of Leviticus 16:6: and classical mystical sources.