Parallel
Matthew 5:31
Patriarchal Greek New Testament (1904) · Berean Standard Bible
Ἐρρέθη δέ· ὃς ἂν ἀπολύσῃ τὴν γυναῖκα αὐτοῦ, δότω αὐτῇ ἀποστάσιον.
It has also been said, ‘Whoever divorces his wife must give her a certificate of divorce (note: Deuteronomy 24:1).’