Ezekiel 43:26

‘You shall also take some of its blood and put it on its four horns and on the four corners of the ledge and on the border round about; thus you shall purify it and make atonement for it.

‘Now on the second day you shall bring near a male goat without blemish for a sin offering, and they shall purify the altar as they purified it with the bull.

‘Thus says Lord Yahweh, “In the first month, on the first of the month, you shall take a bull from the herd without blemish and purify the sanctuary.