Risālat al-Ḥuqūq
Hadith 49وحق الذمة أن تقبل منهم ما قبل الله عز وجل [منهم] ولا تظلمهم ما وفوا لله عز وجل بعهده
The right of the people under the protection [of Islam] (dhimma) is that you accept from them what God has accepted from them and you do no wrong to them as long as they fulfil God's covenant.