Delegates representing every Chinese province deliberated on the merits of numerous systems, ultimately selecting the design of Zhang Binglin (1869–1936).
Zhang's system would serve as the prototype for bopomofo, and would be officially adopted by the Republican government in 1918.
It was decided in a draft on 7 August 1912, a month after a July 10 conference led by Cai Yuanpei, that a set of phonetic symbols were to be used for education purposes.
Prominent members included: There were three main ideas of how the phonetic symbols should be: The three groups discussed for two months and adopted 15 symbols from Zhang Binglin's all-Zhuanshu Jiyin Zimu (記音字母), which was the proposal by the Zhejiang Committee.
After its proclamation, several aspects of Zhuyin were further modified, including: The commission established the Seven Mandarin Sound Promotion Programs (《國音推行方法七條》; Guoyu Tuixing Fangfa Qi Tiao):