 By the 1970s and 1980s, the "Sx ####" format began to reach its limit in states with higher numbers of new vehicle registrations, leading to an inclusion of a third identifying letter, creating a new "Sxx ####" format.Selangor becomes the first state in Peninsular Malaysia to adopt the new format in 1971, followed by Perak in 1977, Johore in 1978, Penang in 1980, Kuala Lumpur in 1981, Pahang and Negeri Sembilan in 1988, Kedah in 1991, Malacca in 1993, Kelantan in 1995, Terengganu in 2000 and finally Perlis in 2018.The "V" series plate of Kuala Lumpur, which replaces its predecessor "W" plates in October 2016, have been reached the "Sxx ####" format in 12 April 2017, which its become the latest registration plates to reach "Sxx ####" format after 17 years.