Leviticus 9:15
And he brought the people's offering, and took the goat, which was the sin offering for the people, and slew it, and offered it for sin, as the first.
More from Leviticus 9
And it came to pass on the eighth day, that Moses called Aaron and his sons, and the elders of Israel;
And he said unto Aaron, Take thee a young calf for a sin offering, and a ram for a burnt offering, without blemish, and offer them before the LORD.
And unto the children of Israel thou shalt speak, saying, Take ye a kid of the goats for a sin offering; and a calf and a lamb, both of the first year, without blemish, for a burnt offering;
Also a bullock and a ram for peace offerings, to sacrifice before the LORD; and a meat offering mingled with oil: for to day the LORD will appear
And they brought that which Moses commanded before the tabernacle of the congregation: and all the congregation drew near and stood before the LORD.