Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur)
22/26. Chapter:
If A Person Dies Owing Fasts, His Heir Should Fast On His Behalf
Sunan Abi Dawud
حَدَّثَنَا أَحْمَدُ بْنُ صَالِحٍ، حَدَّثَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي عَمْرُو بْنُ الْحَارِثِ، عَنْ عُبَيْدِ اللَّهِ بْنِ أَبِي جَعْفَرٍ، عَنْ مُحَمَّدِ بْنِ جَعْفَرِ بْنِ الزُّبَيْرِ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ : " مَنْ مَاتَ وَعَلَيْهِ صِيَامٌ صَامَ عَنْهُ وَلِيُّهُ " .
Narrated 'Aishah: The Prophet (ﷺ) as saying: If anyone dies when some fast due from him has been unfulfilled, his heir must fast on his behalf.
Reference : Sunan Abi Dawud 3311In-book reference : Book 22, Hadith 70English translation : Book 21, Hadith 3305