Ezekiel 43:26

26 For seven days they shall make atonement for the altar and purify it; so shall they ¹ordain it.

Ezekiel 43:27

27 So they will complete the days. And it shall be that on the ^aeighth day and onward, the priests shall ¹offer on the altar your burnt offerings and your ^bpeace offerings; and I will ^caccept you,’ declares Lord Yahweh.”