(8) باب الْحُكْمِ فِي تَارِكِ الصَّلاَةِ .
It was narrated from 'Abdullah bin Buraidah that his father said:
"The Messenger of Allah (ﷺ) said: 'The covenant that stands between us and them is the Salah; whoever abandons it, he has committed disbelief.'"
Reference: Sunan an-Nasa'i 463
In-book reference: Book 5, Hadith 16
English translation: Vol. 1, Book 5, Hadith 464