Ellicott's Commentary for English Readers - Leviticus 4:29-31
(29-31) And he shall lay.—The ritual prescribed in these verses is the same as that ordained in the case of the sin offering of the prince (Leviticus 4:24-26). In Leviticus 4:31, however, the phrase, “for a sweet savour unto the Lord,” is added to the burning of the fat pieces of the victim, which does not occur at the sin offering of the high priest, the congregation, or the prince (comp. Leviticus 4:10; Leviticus 4:19; Leviticus 4:26), but is used at burnt offerings (Leviticus 1:9; Leviticus... read more
John Dummelow's Commentary on the Bible - Leviticus 4:1-35
The Sin Offering (4:1-5:13) and the Guilt Offering (5:14-6:7)These are later and specialised forms of the Burnt Offering. They presuppose a state of matters in which the good relationship between God and the offerer has been interrupted by sin, and the purpose of both is to make atonement for, or cover, the sin of the guilty person or persons. The difference between the two seems to be that while the sin offering is provided for those offences which could not be undone or repaired, the guilt... read more