 In 1994, Chong was elevated to serve in the Federal Court of Malaysia, the apex court in Malaysia.Shortly after his promotion, Chong was appointed as the new Chief Judge of Sabah and Sarawak in 1995, thus ascending to the nation's fourth highest judicial office after the Chief Justice of Malaysia, President of the Court of Appeal of Malaysia and Chief Judge of Malaya.Simultaneously, he was also appointed a judge of the Special Court of Malaysia.