Leviticus 4:3
If the priest that is anointed do sin according to the sin of the people; then let him bring for his sin, which he has sinned, a young bullock without blemish to the LORD for a sin offering.
Torrey's Topical Textbook—AKJV

Leviticus 9:2,8
And he said to Aaron, Take you a young calf for a sin offering, and a ram for a burnt offering, without blemish, and offer them before the LORD.
Torrey's Topical Textbook—AKJV

Leviticus 16:3,6
Thus shall Aaron come into the holy place: with a young bullock for a sin offering, and a ram for a burnt offering.
Torrey's Topical Textbook—AKJV