(1) باب الْكَرَاهِيَةِ فِي تَأْخِيرِ الْوَصِيَّةِ
It was narrated that Ibn 'Umar said:
"The Messenger of Allah said: 'It is not befitting for a Muslim who has anything concerning which a will should be made, to abide for two nights without having a written will with him.'" (DE)
Reference (DE): Sunan an-Nasa'i 3615 (DE)
In-book reference (DE): Book 30, Hadith 5 (DE)
English translation (DE): Vol. 4, Book 30, Hadith 3645 (DE)