After his installation as ruler of Malacca, Raja Kassim titled himself as Sultan Muzaffar Shah. Sultan Muzaffar Shah ordered his senior officers to perform all the customs, traditions and prohibitions introduced by his late father.
Upon becoming ruler of Malacca, Raja Kassim assumed the regnal name Sultan Muzaffar Shah. As Sultan Muzaffar Shah, he ordered his senior officers to conform to all the customs, traditions, and prohibitions that had been established by his father.