Fasting (Kitab Al-Siyam)
14/41. Chapter:
Regarding Whoever Died And Some Fast Was Still Due Upon Him
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 " . قَالَ أَبُو دَاوُدَ هَذَا فِي النَّذْرِ وَهُوَ قَوْلُ أَحْمَدَ بْنِ حَنْبَلٍ .
Narrated 'Aishah: The Prophet (ﷺ) as saying: If anyone dies when some fast is due from him (i.e. which he could not keep) his heir must fast on his behalf. Abu Dawud said: This applies to the fast which a man vows ; and this is the opinion of Ahmad b. Hanbal.
Reference : Sunan Abi Dawud 2400In-book reference : Book 14, Hadith 88English translation : Book 13, Hadith 2394