Ezekiel 43:19-21

43:19 you will give a young bull for a sin offering to the Levitical priests who are descended from Zadok, who approach me to minister to me, declares the sovereign Lord. 43:20 You will take some of its blood, and place it on the four horns of the altar, on the four corners of the ledge, and on the border all around; you will cleanse it and make atonement for it. ¹  43:21 You will also take the bull for the sin offering, and it will be burned in the appointed place in the temple, outside the sanctuary.

[43:20]  ¹ sn Note the similar language in Lev 16:18.