(70) باب صَوْمِ النَّبِيِّ صلى الله عليه وسلم - بِأَبِي هُوَ وَأُمِّي - وَذِكْرِ اخْتِلاَفِ النَّاقِلِينَ لِلْخَبَرِ فِي ذَلِكَ
It was narrated that Ibn 'Abbas said:
"The Messenger of Allah would not break fast on the days of Al-Bid whether he was a resident or traveling."
Reference: Sunan an-Nasa'i 2345
In-book reference: Book 22, Hadith 256
English translation: Vol. 3, Book 22, Hadith 2347