Deuteronomy 24:1-5

“When a man takes a wife and marries her, and it happens that she loses his favor because he has found something indecent or unacceptable about her, and he writes her a certificate of divorce, puts it in her hand and sends her out of his house, and after she leaves his house, she goes and becomes another man’s wife, and if the latter husband turns against her and writes her a certificate of divorce, puts it in her hand, and sends her out of his house, or if the latter husband dies who took her as his wife, then her former husband who [first] sent her away may not take her again as his wife, since she has been defiled; for that is an outrage before the LORD, and you shall not bring sin on the land which the LORD your God gives you as an inheritance. “When a man takes a new wife, he shall not go out [to fight] with the army nor be charged with any duty; he shall be free at home for one year and shall bring happiness to his wife whom he has taken.