Mark 10:4

They said, "Moses permitted a man to divorce her by writing out a separation notice."

Matthew 1:19

As Joseph her husband was a just man but unwilling to disgrace her, he resolved to divorce her secretly;

Matthew 5:31-32

It used to be said, Whoever divorces his wife must give her a divorce-certificate.

Matthew 19:7

They said to him, "Then why did Moses lay it down that we were to divorce by giving a separation-notice?"

Treasury of Scripture Knowledge

Summary

And they said, Moses suffered to write a bill of divorcement, and to put her away.

Bible References

General references

Matthew 1:19
As Joseph her husband was a just man but unwilling to disgrace her, he resolved to divorce her secretly;
Matthew 5:31
It used to be said, Whoever divorces his wife must give her a divorce-certificate.
Matthew 19:7
They said to him, "Then why did Moses lay it down that we were to divorce by giving a separation-notice?"