and the chamber that faces north is for the priests who have charge of the altar. These are the sons of Zadok, who alone among the sons of Levi may come near to the Lord to minister to him.”

you shall give to the Levitical priests of the family of Zadok, who draw near to me to minister to me, declares the Lord God, a bull from the herd for a sin offering.

Rules for Levitical Priests

“But the Levitical priests, the sons of Zadok, who kept the charge of my sanctuary when the people of Israel went astray from me, shall come near to me to minister to me. And they shall stand before me to offer me the fat and the blood, declares the Lord God.

This shall be for the consecrated priests, the sons of Zadok, who kept my charge, who did not go astray when the people of Israel went astray, as the Levites did.