Matthew 19:7-9
They answered, "Why then did Moses command the husband to give her 'a written bill of divorce,' and so to put her away?"
Matthew 5:31-32
"It was also said, "Whoever divorces his wife must give her a bill of separation.
Luke 16:18
"Every man who divorces his wife and marries some one else, commits adultery; and he who marries one who is put away by her husband commits adultery.
Matthew 1:19
But Joseph her husband, because he was just a man and unwilling to disgrace her, was minded to put her away secretly.
Mark 10:4-12
"Moses," said they, "permitted a man to draw up a bill of separation and divorce her."
1 Corinthians 7:11-12
(or if she has already left him let her either remain as she is, or be reconciled to him), and also that a husband is not to put away his wife.