(1) باب الشهادات
Narrated Ibn 'Abbas (RA):
Allah's Messenger (ﷺ) ruled on the basis of an oath and a single witness.[Muslim, Abu Dawud and an-Nasa'i reported it, the latter said that it has a Jayyid (good) chain or narrators]. (IT)
Reference (IT): Bulugh al-Maram 1421 (IT)
In-book reference (IT): Book 14, Hadith 25 (IT)
English translation (IT): Book 14, Hadith 1421 (IT)