Deuteronomy 24:1-4
If a man marries a woman, but she becomes displeasing to him because he finds some indecency in her, he may write her a certificate of divorce, hand it to her, and send her away from his house. . . .

Isaiah 50:1
This is what the LORD says: "Where is your mother's certificate of divorce with which I sent her away? Or to which of My creditors did I sell you? Look, you were sold for your iniquities, and for your transgressions your mother was sent away.

Jeremiah 3:1
"If a man divorces his wife and she leaves him to marry another, can he ever return to her? Would not such a land be completely defiled? But you have played the harlot with many lovers--and you would return to Me?" declares the LORD.

Matthew 1:19
Because Joseph her husband, a righteous man, was unwilling to disgrace her publicly, he resolved to divorce her quietly.

Matthew 5:31, 32
It has also been said, 'Whoever divorces his wife must give her a certificate of divorce.' . . .

Matthew 19:7
"Why then, " they asked, "did Moses order a man to give his wife a certificate of divorce and send her away?"