The win, which came with a cash award of Nt$1m, marked the fifth consecutive year that the Grand Prize has gone to a documentary.
The jury, headed by Taiwanese producer-director Chen Kuo-fu, said the film maintained an uplifting and humorous tone, while exposing the chaotic madness of government bureaucracy and illustrating the dark side of Taiwanese society.
Meanwhile, best narrative feature went to Chienn Hsiang’s directorial debut Exit, about the relationship between a middle-aged woman and a hospital patient, while Midi Z won best director for Myanmar-set drama Ice Poison.
Exit also scooped a best actress award for Chen Shiang-chyi, while best actor went to Lee Kang-sheng for Stray Dogs. Best supporting actor went to Tsao Yu-ning for period