Rejang is also a member of the closely related group of Ulu scripts that include the script variants of South Sumatra, Bengkulu, Lembak, Lintang, Lebong, and Serawai. Other closely related scripts that are sometimes included in the Surat Ulu group include the Ogan, Kerinci, and Lampung scripts. The script was in use prior to the introduction of Islam to the Rejang area; the earliest attested document appears to date from the mid-18th century CE.
Rejang is a member of the Ulu script family, which includes scripts like South Sumatra, Bengkulu, Lembak, Lintang, Lebong, and Serawai. Other closely related scripts sometimes included in the Surat Ulu group are Ogan, Kerinci, and Lampung. The script was used before Islam arrived in the Rejang region; the earliest documented evidence dates back to the mid-18th century CE.