3. It was narrated to me by Muhammad b. al-Hassan who said it was narrated to us by Muhammad b. al-Hassan al-Saffar from Muhammad b. al-Hussain from Abi Dawud al-Mustariq from Ibn Muskan from Abi Abdillah who said: “One who visits the tomb of Imam Husain knowing his right, it is written down in Illiyeen.”