“A man who was present in a meeting (of people) with abu al-Hassan al-Rida (a.s.) spoke to me of the information herein below. “When people readied themselves to leave the meeting the Imam (a.s.) said to them, “Meet abu Ja‘far (a.s.), (before you leave), offer to him greeting and renew your covenant with him.” When left, he (the Imam) said to me, “May Allah grant well-being to al-Mufaddal, he would have believed (in the succeeding Imam) without it (the command to renew their covenant)”.