Leviticus 19:28
You shall not make any cuttings in your flesh for the dead, nor print any marks on you: I am the LORD.
Nave's Topical Index—AKJV

Leviticus 21:1-5
And the LORD said to Moses, Speak to the priests the sons of Aaron, and say to them, There shall none be defiled for the dead among his people:
Nave's Topical Index—AKJV

Deuteronomy 14:1
You are the children of the LORD your God: you shall not cut yourselves, nor make any baldness between your eyes for the dead.
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Jeremiah 16:6,7
Both the great and the small shall die in this land: they shall not be buried, neither shall men lament for them, nor cut themselves, nor make themselves bald for them:
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Jeremiah 41:5
That there came certain from Shechem, from Shiloh, and from Samaria, even fourscore men, having their beards shaven, and their clothes rent, and having cut themselves, with offerings and incense in their hand, to bring them to the house of the LORD.
Nave's Topical Index—AKJV