Leviticus 4:2-3

2“Speak to Bnei-Yisrael, saying: If anyone sins unintentionally in any of Adonai’s mitzvot that are not to be done, and commits any one of them

3—or if the anointed kohen sins so as to bring guilt on the people—then let him offer for his sin which he has committed, a young bull without blemish to Adonai for a sin offering.