(11) باب اجْتِهَادِ الرَّأْىِ فِي الْقَضَاءِ
Mu'adh bin Jabal said that when the Messenger of Allah (ﷺ) sent him to the Yemen... He then narrated the rest of the tradition to the same effect.
Reference: Sunan Abi Dawud 3593
In-book reference: Book 25, Hadith 23
English translation: Book 24, Hadith 3586