حَدَّثَنَا مُسَدَّدُ بْنُ مُسَرْهَدٍ، حَدَّثَنَا سُفْيَانُ، عَنِ الزُّهْرِيِّ، عَنْ نَبْهَانَ، مُكَاتَبِ أُمِّ سَلَمَةَ قَالَ سَمِعْتُ أُمَّ سَلَمَةَ، تَقُولُ قَالَ لَنَا رَسُولُ اللَّهِ صلى الله عليه وسلم " إِنْ كَانَ لإِحْدَاكُنَّ مُكَاتَبٌ فَكَانَ عِنْدَهُ مَا يُؤَدِّي فَلْتَحْتَجِبْ مِنْهُ " .
Narrated Umm Salamah, Ummul Mu'minin: The Messenger of Allah (PBUH) said to us: If one of you has a slave, and he enters into an agreement to purchase his freedom, and can pay the full price, she must veil herself from him. Translation Not Available
Book Ref: Sunan Abi Dawud Book 31 Hadith 3928
Web Ref: Sunan Abi Dawud Book 30 Hadith 3917