Language:
كتاب الحيل
90  
Tricks
(3)
Chapter: (Tricks) in Zakat
(3)
باب فِي الزَّكَاةِ وَأَنْ لاَ يُفَرَّقَ بَيْنَ مُجْتَمِعٍ، وَلاَ يُجْمَعَ بَيْنَ مُتَفَرِّقٍ، خَشْيَةَ الصَّدَقَةِ
Sahih al-Bukhari 6959

Narrated Ibn Abbas:

Sa'd bin 'Ubada Al-Ansari sought the verdict of Allah's Messenger (ﷺ) regarding a vow made by his mother who had died before fulfilling it. Allah's Messenger (ﷺ) said, "Fulfill it on her behalf." Some people said, "If the number of camels reaches twenty, then their owner has to pay four sheep as Zakat; and if their owner gives them as a gift or sells them in order to escape the payment of Zakat cunningly before the completion of a year, then he is not to pay anything, and if he slaughters them and then dies, then no Zakat is to be taken from his property."

حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا لَيْثٌ، عَنِ ابْنِ شِهَابٍ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُتْبَةَ، عَنِ ابْنِ عَبَّاسٍ، أَنَّهُ قَالَ اسْتَفْتَى سَعْدُ بْنُ عُبَادَةَ الأَنْصَارِيُّ رَسُولَ اللَّهِ صلى الله عليه وسلم فِي نَذْرٍ كَانَ عَلَى أُمِّهِ، تُوُفِّيَتْ قَبْلَ أَنْ تَقْضِيَهُ، فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ اقْضِهِ عَنْهَا ‏"‏‏.‏ وَقَالَ بَعْضُ النَّاسِ إِذَا بَلَغَتِ الإِبِلُ عِشْرِينَ، فَفِيهَا أَرْبَعُ شِيَاهٍ، فَإِنْ وَهَبَهَا قَبْلَ الْحَوْلِ أَوْ بَاعَهَا، فِرَارًا وَاحْتِيَالاً لإِسْقَاطِ الزَّكَاةِ، فَلاَ شَىْءَ عَلَيْهِ، وَكَذَلِكَ إِنْ أَتْلَفَهَا فَمَاتَ، فَلاَ شَىْءَ فِي مَالِهِ‏.‏
Reference : Sahih al-Bukhari 6959
In-book reference : Book 90, Hadith 6
USC-MSA web (English) reference : Vol. 9, Book 86, Hadith 90
  (deprecated numbering scheme)