One kid — In Leviticus 4:14, the sin — offering for the sin of the people is a bullock, but here a kid; &c. the reason of the difference may be this, because that was for some particular sin of the people, but this only in general for all their sins.
Related Commentaries of Leviticus 23:19
Leviticus 23:19
19 Then ye shall sacrifice one kid of the goats for a sin offering, and two lambs of the first year for a sacrifice of peace offerings.