Leviticus 9:1-3

American Standard Version

9 And it came to pass on the eighth day, that Moses called Aaron and his sons, and the elders of Israel; ² and he said unto Aaron, Take thee a calf of the herd for a sin-offering, and a ram for a burnt-offering, without blemish, and offer them before Jehovah. ³ And unto the children of Israel thou shalt speak, saying, Take ye a he-goat for a sin-offering; and a calf and a lamb, both a year old, without blemish, for a burnt-offering;