Sahih al-Bukhari 3162
صحيح البخاري#3162SahihNarrated Juwairiya bin Qudama at-Tamimi:We said to `Umar bin Al-Khattab, "O Chief of the believers! Advise us." He said, "I advise you to fulfill Allah's Covenant (made with the Dhimmis) as it is the convention of your Prophet and the source of the livelihood of your dependents (i.e. the taxes from the Dhimmis)
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: 58:5