[1] The Fakkham script was possibly introduced to Lan Na by a religious mission from Sukhothai.

[4] The Fakkham script was used extensively in the territories controlled by the kings of Chiang Mai, the Lan Na kingdom, between the beginning of the fifteenth and the end of the sixteenth centuries.

[3] A number of ancient inscriptions in the script have been discovered in the Bo Kaeo, Luang Nam Tha and Sayabouri provinces of Laos.

[5] The Fakkham script can be found on various royal steles around Vientiane, dating from the beginning of the second quarter of the 16th century.

[1] It has been suggested that the script is the source of the White, Black, and Red Tai writing systems found in eastern Yunnan, northern Laos, and Vietnam.