General Behavior (Kitab Al-Adab)

Dawud :: Book 41 : Hadith 5113

Narrated Mu'awiyah:

Make intercession, you will be rewarded, for I purposely delay a matter so that you intercede and then you are rewarded. The Apostle of Allah (peace_be_upon_him) said: If you make intercession, you will be rewarded.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star