לא ישים עליה שמן ולא יתן עליה לבנה כי חטאת היא
The plain meal offering for a chatas, sin (offering), was brought for specific sins. This korban is part of the Korban Oleh v’yoreid, variable sin-offering, class, which is a dispensation to provide one who is poor the opportunity to atone for his sin with a korban. The variable korban is comprised of either a sheep or a goat, two turtledoves or two young doves, or, in the event that one has no funds, a tenth of an eiphah of flour. While oil and frankincense are put on all other meal offerings, the chatas receives no embellishment of oil or frankincense, since…