Leviticus 7:19-21

All that be clean shall eat thereof Whether priests, or offerers, or guests invited. Both the flesh and the eaters of it must be clean. The soul that eateth Knowingly; for if it were done ignorantly, a sacrifice was accepted for it. Having his uncleanness upon him Not being cleansed according to the appointment, Leviticus 11:24, &c. Shall be cut off from his people That is, excluded from all the privileges of an Israelite. The intention of all these precepts was to preserve the greater reverence and regard for things sacred, and to signify, that all who live in sin not repented of and mortified, are rejected when they draw nigh to God in outward acts of worship.