Following the vital step of confession, the Torah outlines the practical repair required of the sinner. This involves a unique sacrifice known as a sliding-scale offering, whose value adjusts according to the individual's financial reality: a wealthy person brings an animal, a poor person brings birds, and a destitute person brings fine flour [רבנו בחיי, צאינה וראינה].
Although the offering is initially associated with guilt, the primary approach among commentators is that it functions entirely as a standard sin offering. The reference to guilt signifies the sinner's debt and obligation to God, driven by their own feelings of culpability [רבנו בחיי, נתינה לגר, רד״צ הופמן, ביאור שטיינזלץ]. Conceptually, the transgressions addressed here border on intentional rebellion. Highlighting the element of guilt emphasizes the destructive consequences of the act and the deep culpability of the sinner, while the designation as a sin offering focuses on repairing the internal spiritual flaw left in the soul [רש״ר הירש]. Furthermore, the sacrifice serves to atone for any malicious intent that may have preceded the unintentional act [העמק דבר]. From a legal standpoint, classifying the obligation as a matter of guilt dictates that any surplus funds left over from purchasing the sacrifice are treated like those of a guilt offering, which are redirected as a donation to the Temple [מלבי״ם, אדרת אליהו].
To be effective, the sacrifice must be explicitly dedicated for the sake of God and for the specific transgression committed [רלב״ג]. However, if an individual commits multiple infractions of the exact same type in a single unbroken sequence—such as uttering numerous false oaths in one breath—they are only required to bring one offering to cover the entire series of sins [תורה תמימה].
The exact specifications of the animal establish clear boundaries for the offering. It must be distinctly female, which excludes animals of undefined biological sex [רלב״ג, מלבי״ם, אדרת אליהו, ברכת אשר]. It must also come strictly from the flock, preventing a wealthy individual from attempting to upgrade the sacrifice by bringing cattle [ביאור יש״ר]. This broad category of the flock accommodates animals with certain physical traits that would disqualify a human but remain acceptable for an animal, such as deafness or dwarfism. However, it specifically excludes an animal in its thirteenth month, a transitional phase where it is no longer considered a lamb but not yet a ram [תורה תמימה, מלבי״ם, אילת השחר, אדרת אליהו]. By explicitly identifying a sheep or a goat, the guidelines clarify that only a single animal is required. Without this clarification, one might mistakenly assume that a wealthy person must bring two animals to parallel the two birds brought by a poorer individual. The ideal animal is a sheep in its first year, though bringing a larger, superior animal is considered highly praiseworthy [מלבי״ם, אילת השחר, העמק דבר].
The final process of atonement requires the owner to lean their hands upon the animal's head prior to its slaughter, though it does not require an accompanying wine libation [חזקוני, אדרת אליהו]. The nature of this atonement involves not just erasing the sin, but actively detaching the individual from the transgression in a way that aligns with their financial capacity. This dynamic creates a framework for adjusting the sacrifice if the person's financial status changes after they have already set aside their offering. If an individual designates an animal for the sacrifice but subsequently falls into poverty, they are permitted to sell the animal, purchase the required birds, and use the remaining funds for their personal needs. Conversely, if someone sets aside money for birds and later becomes wealthy, they are obligated to add to those funds in order to bring an animal that properly reflects their new financial standing [תורה תמימה, מלבי״ם, אדרת אליהו, אילת השחר].