And the fifth (oath) should be that she solemnly invokes the wrath of Allah on herself if (her accuser) is telling the truth. An-Nur 24:9 ⧉
Tafsir:
One of the issues, which is given special emphasis, is that of a man who, without having any witness to prove his case, accuses his wife of going astray; there is only his word for it. In such a case, the matter shall be decided by the taking of oaths, a legal procedure termed la‘an under the Islamic law. If a man takes an oath in the prescribed manner, and the woman does not protest— thus accepting the man’s contention, the aforesaid punishment shall be imposed on the woman. But, if the woman too states under oath that she is innocent, then no punishment shall be imposed on her. However, separation of the husband and wife shall be enforced.