Leviticus 4:28

4:28 or his sin that he committed is made known to him, he must bring a flawless female goat as his offering for the sin that he committed.

Leviticus 5:6

5:6 and he must bring his penalty for guilt to the Lord for his sin that he has committed, a female from the flock, whether a female sheep or a female goat, for a sin offering. So the priest will make atonement on his behalf for his sin.