Muwatta Malik 1216
موطأ مالك#1216SahihThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّهُ كَانَ يَقُولُ إِذَا طَلَّقَ الرَّجُلُ امْرَأَتَهُ فَدَخَلَتْ فِي الدَّمِ مِنَ الْحَيْضَةِ الثَّالِثَةِ فَقَدْ بَرِئَتْ مِنْهُ وَبَرِئَ مِنْهَا . قَالَ مَالِكٌ وَهُوَ الأَمْرُ عِنْدَنَا .
Yahya related to me from Malik from Nafi that Abdullah ibn Umar said, "When a man divorces his wife and she begins her third period, she is free from him and he is free from her." Malik said, "This is how things are done among us
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 29:13