Deut 24.1 When a man hath taken a wife, and married her, and it come to pass that she find no favor in his eyes, because he hath found some uncleanness in her: then let him write her a bill of divorcement, and give it in her hand, and send her out of his house.
Mat 5.31 It hath been said, Whosoever shall put away his wife, let him give her a writing of divorcement: