صحيح البخاري Sahih Bukhari كتاب الزكاة The Book of Zakat
بَابُ أَجْرِ الْخَادِمِ إِذَا تَصَدَّقَ بِأَمْرِ صَاحِبِهِ غَيْرَ مُفْسِدٍ:

(25) Chapter. The servant gets a reward for giving charity when ordered by the owner of the property, as long as the servant has no intention of spoiling it (his master’s property).

2 hadith
Hadith 1437
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ ، حَدَّثَنَا جَرِيرٌ ، عَنِ الْأَعْمَشِ ، عَنْ أَبِي وَائِلٍ ، عَنْ مَسْرُوقٍ ، عَنْ عَائِشَةَ رَضِيَ اللَّهُ عَنْهَا , قَالَتْ : قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ : " إِذَا تَصَدَّقَتِ الْمَرْأَةُ مِنْ طَعَامِ زَوْجِهَا غَيْرَ مُفْسِدَةٍ كَانَ لَهَا أَجْرُهَا ، وَلِزَوْجِهَا بِمَا كَسَبَ ، وَلِلْخَازِنِ مِثْلُ ذَلِك " .
Narrated `Aisha: Allah's Apostle said, "When a woman gives in charity from her husband's meals without wasting the property of her husband, she will get a reward for it, and her husband too will get a reward for what he earned and the storekeeper will have the reward likewise."
Hadith Reference Sahih Bukhari / The Book of Zakat / Hadith: 1437
Hadith Grading محدثین: أحاديث صحيح البخاريّ كلّها صحيحة
Hadith 1438
حَدَّثَنَا مُحَمَّدُ بْنُ الْعَلَاءِ ، حَدَّثَنَا أَبُو أُسَامَةَ ، عَنْ بُرَيْدِ بْنِ عَبْدِ اللَّهِ ، عَنْ أَبِي بُرْدَةَ ، عَنْ أَبِي مُوسَى ، عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ , قَالَ : " الْخَازِنُ الْمُسْلِمُ الْأَمِينُ الَّذِي يُنْفِذُ ، وَرُبَّمَا قَالَ : يُعْطِي مَا أُمِرَ بِهِ كَامِلًا مُوَفَّرًا طَيِّبٌ بِهِ نَفْسُهُ فَيَدْفَعُهُ إِلَى الَّذِي أُمِرَ لَهُ بِهِ أَحَدُ الْمُتَصَدِّقَيْنِ " .
Narrated Abu Musa: The Prophet said, "An honest Muslim storekeeper who carries out the orders of his master and pays fully what he has been ordered to give with a good heart and pays to that person to whom he was ordered to pay, is regarded as one of the two charitable persons."
Hadith Reference Sahih Bukhari / The Book of Zakat / Hadith: 1438
Hadith Grading محدثین: أحاديث صحيح البخاريّ كلّها صحيحة