Deuteronomy 24:4

New International Version

then her first husband, who divorced her, is not allowed to marry her again after she has been defiled. That would be detestable in the eyes of the Lord. Do not bring sin upon the land the Lord your God is giving you as an inheritance.

Cross References

Jeremiah 3:1

“If a man divorces his wife and she leaves him and marries another man, should he return to her again? Would not the land be completely defiled? But you have lived as a prostitute with many lovers— would you now return to me?” declares the Lord.

Deuteronomy 20:16

However, in the cities of the nations the Lord your God is giving you as an inheritance, do not leave alive anything that breathes.

Deuteronomy 24:3

and her second husband dislikes her and writes her a certificate of divorce, gives it to her and sends her from his house, or if he dies,

Deuteronomy 4:21

The Lord was angry with me because of you, and he solemnly swore that I would not cross the Jordan and enter the good land the Lord your God is giving you as your inheritance.