4:3 If the priest. The first three offerings (burnt sacrifice, meal offering, peace offering) were all voluntary offerings, and so were also called “sweet savour” offerings (Leviticus 1:17; 2:9; 3:5). The sin offerings, on the other hand, were not optional, if the sinner was to be forgiven (Leviticus 4:20,26,35). Sin offerings had to be offered not only by individual members of the congregation, (verses 27-31) but also by the congregation as a whole (Leviticus 4:13-21), by the rulers (Leviticus 4:22-26) and even by the priests (Leviticus 4:3-12).