Al-Kāfi

Hadith 631
oaths-vowsdivorce
ابْنُ فَضَّالٍ عَمَّنْ أَخْبَرَهُ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ لَا يَكُونُ الظِّهَارُ إِلَّا عَلَى مِثْلِ مَوْضِعِ الطَّلَاقِ .
5. Ibn Faddal has narrated from the one who narrated to him who has said the following: “Abu ‘Abd Allah (a.s.), has said, ‘Al-Zihar can take place only in the environment of divorce.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī