Sahih al-Bukhari 1395
صحيح البخاري#1395SahihNarrated Ibn `Abbas:The Prophet (ﷺ) sent Mu`adh to Yemen and said, "Invite the people to testify that none has the right to be worshipped but Allah and I am Allah's Messenger (ﷺ), and if they obey you to do so, then teach them that Allah has enjoined on them five prayers in every day and night (in twenty-four hours), and if they obey you to do so, then teach them that Allah has made it obligatory for them to pay the Zakat from their property and it is to be taken from the wealthy among them and given to the poor
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 24:1