(1) باب الْكَرَاهِيَةِ فِي تَأْخِيرِ الْوَصِيَّةِ
It was narrated from Salim bin 'Abdullah, from his father, that the Messenger of Allah said:
"It is not right for a Muslim who has anything concerning which a will should be made, to abide for more than three nights without having a written will with him." (DE)
Reference (DE): Sunan an-Nasa'i 3619 (DE)
In-book reference (DE): Book 30, Hadith 9 (DE)
English translation (DE): Vol. 4, Book 30, Hadith 3649 (DE)