The Sufficient (Vol 6) · Hadith 537 (#Ḥadīth #4)

عَلِيٌّ عَنْ أَبِيهِ عَنْ إِسْمَاعِيلَ بْنِ مَرَّارٍ عَنْ يُونُسَ فِي رَجُلٍ أَخْرَسَ كَتَبَ فِي الْأَرْضِ بِطَلَاقِ امْرَأَتِهِ قَالَ إِذَا فَعَلَ ذَلِكَ فِي قُبُلِ الطُّهْرِ بِشُهُودٍ وَ فُهِمَ عَنْهُ كَمَا يُفْهَمُ عَنْ مِثْلِهِ وَ يُرِيدُ الطَّلَاقَ جَازَ طَلَاقُهُ عَلَى السُّنَّةِ .

4. Ali has narrated from his father from ’Isma‘il ibn Marrar from Yunus from a speechless man who wrote on the ground the divorce for his wife. He (the Imam) , said, ‘If he has done so during a Hayd (menses)-free period in the presence of witnesses and it is understood from him as it is understood from people like him who decide to divorce, his divorce is permissible according to Sunnah.

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).