Shared ground
Leviticus 7:16–21 treats certain peace offerings (vow and freewill offerings) as sacred meals with strict limits. The text’s plain claims are that the meat may be eaten on the day of the offering and the next day, but any leftovers on the third day must be burned. If someone eats it on the third day, the offering is no longer accepted or “counted,” and the eater bears guilt (v. 18).
A second set of rules concerns cleanliness. If the meat touches something unclean, it is disqualified for eating and must be burned (v. 19). Also, even if the meat itself is fine, a person who is unclean and eats “the flesh of the sacrifice…that pertain[s] to Yahweh” is “cut off” from their people (vv. 20–21). Together, the passage ties communal worship to careful handling of what is presented to God.
Where interpretation differs
Two issues get debated.
First, what “cut off from his people” means in practice (vv. 20–21). Some understand it as a severe community penalty administered in Israel (removal from the community, possibly including loss of covenant standing). Others think it points to God’s direct judgment (which could include death), whether or not human courts act.
Second, why the “third day” is forbidden (vv. 16–18). Some read it mainly as a practical spoilage concern in a world without refrigeration, reinforced with sacred language because the meat is holy. Others emphasize holiness first: the time limit marks boundaries around sacred food, with spoilage as a secondary, practical support.
Why the disagreement exists
The passage states the penalties and the time limit clearly, but it does not explain the mechanism (how “cut off” happens) or give the main reason for the two-day window. Readers infer from other uses of “cut off” in the Torah and from the realities of ancient food preservation.
What this passage clearly contributes
This text presents worship as involving real, concrete boundaries: time boundaries (eat within two days), purity boundaries (clean people only), and handling boundaries (unclean meat is burned, not repurposed). It also links violation to two kinds of consequences: (1) the offering is not accepted/credited, and (2) the eater bears guilt and may be “cut off.” The repeated framing of the meat as belonging to Yahweh (vv. 20–21) highlights that this is not ordinary food but a sacred share of an offering.