Mishkat al-MasabihChapter 12Hadith 2946
Full Sharh — Mishkat al-Masabih 2946
عَنِ ابْنِ عُمَرَ رَضِيَ اللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَا حَقُّ امْرِئٍ مُسْلِمٍ لَهُ شَيْءٌ يُوصَى فِيهِ يَبِيتُ لَيْلَتَيْنِ إِلَّا وَوَصِيَّة مَكْتُوبَة عِنْده»
English Translation
Wills. Ibn ‘Umar reported God’s Messenger as saying, “It is the duty of a Muslim man who has something which is to be given as a bequest not to have it for two nights without having his will written regarding it.” (Bukhari and Muslim.)
Source
Mishkat al-Masabih(مشكاة المصابيح)
Inheritance and Wills
Hadith Number
2946