Deuteronomy 26:14
"I've removed the holy offering from my house and given it to the descendants of Levi, to the foreigners, to the orphans, and to the widows just as you have commanded me. I haven't violated or forgotten your commands. I haven't eaten any part of it while mourning, nor removed any part of it while unclean, nor offered any of it to the dead. I've obeyed the voice of the LORD my God and did all that he commanded me.
Leviticus 7:20
But the person who eats meat from the sacrifice that belongs to the LORD, while still affected by his uncleanness, is to be eliminated from contact with his people.
Leviticus 21:1
The LORD told Moses, "Speak to the priests, Aaron's sons, and tell them that no priest is to defile himself on account of the dead among his people,
Leviticus 21:11
He is not to come near any dead body whether the deceased is his father or his mother so as not to defile himself.
Hosea 9:4
They won't present wine offerings to the LORD, nor will they please him. Their sacrifices will seem like food for mourners everyone who eats them will become unclean; none of them will enter the Temple of the LORD.
Deuteronomy 16:11
Rejoice in the presence of the LORD your God with your son, daughter, male and female slaves, the descendants of Levi who is in your city, the stranger, the orphan, and the widow among you, at the place where the LORD your God will choose to establish his name.
Psalm 106:28
For they adopted the worship of Baal Peor and ate sacrifices offered to the dead.
Ezekiel 24:17
You are to weep in silence, but you are not to participate in mourning rituals. You are to keep your turban on your head and your sandals on your feet. You are not to cover your mouth or eat what your comforters bring to you."
Malachi 2:13
"This is another thing you do: you flood the altar of the LORD with tears, weeping and wailing because he no longer pays attention to your offering nor takes pleasure in it from your hand.