(1) باب الْكَرَاهِيَةِ فِي تَأْخِيرِ الْوَصِيَّةِ
It was narrated from Ibn 'Umar that 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." (ES)
Reference (ES): Sunan an-Nasa'i 3616 (ES)
In-book reference (ES): Book 30, Hadith 6 (ES)
English translation (ES): Vol. 4, Book 30, Hadith 3646 (ES)