The bullock, mentioned in general Leviticus 16:6; the ceremonies whereof are here particularly described. This was a differing bullock or heifer from that Num 19, as appears by comparing the places.
Related Commentaries of Leviticus 16:11
Leviticus 16:11
11 And Aaron shall bring the bullock of the sin offering, which is for himself, and shall make an atonement for himself, and for his house, and shall kill the bullock of the sin offering which is for himself: