Defilement: Laws Relating To

If any of the meat from his peace offering is eaten on the third day, it will not be accepted. It will not be credited to the one who presented it; it shall be an abomination, and the one who eats of it shall bear his iniquity. …

Do not defile yourselves by any crawling creature; do not become unclean or defiled by them.

“Tell Aaron and his sons to treat with respect the sacred offerings that the Israelites have consecrated to Me, so that they do not profane My holy name. I am the LORD. …