Deuteronomy 24:1 - 4
ESV - 1 When a man takes a wife and marries her, if then she finds no favor in his eyes because he has found some indecency in her, and he writes her a certificate of divorce and puts it in her hand and sends her out of his house, and she departs out of his house. 2 And if she goes and becomes another man's wife.
For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.