Ezekiel 43:20
And you shall take of the blood thereof, and put on the four horns of it, and on the four corners of the settle, and upon the border round about: thus shall you cleanse and purge it.
ā The Restored Word Bible
Context
18 And he said unto me, Son of man, thus says the Lord GOD; These the ordinances of the altar in the day when they shall make it, to offer burnt offerings thereon, and to sprinkle blood thereon.
19 And you shall give to the priests the Levites that be of the seed of Zadok, which approach unto me, to minister unto me, says the Lord GOD, a young bullock for a sin offering.
20 And you shall take of the blood thereof, and put on the four horns of it, and on the four corners of the settle, and upon the border round about: thus shall you cleanse and purge it.
21 you shall take the bullock also of the sin offering, and he shall burn it in the appointed place of the house, without the sanctuary.
22 And on the second day you shall offer a kid of the goats without blemish for a sin offering; and they shall cleanse the altar, as they did cleanse with the bullock.