Original sentence: However, in September 2003, then-President Chen Shui-bian, who pursued de jure independence, decided to add the word "Taiwan" on the ROC passport cover with the stated reason that "immigration officials may confuse citizens of the democratic Republic of China (ROC) with citizens of the communist People's Republic of China (PRC)"
Edited sentence: However, in September 2003, under the administration of President Chen Shui-bian, the word "Taiwan" was added to the ROC passport cover so that "immigration officials may confuse citizens of the democratic Republic of China (ROC) with citizens of the communist People's Republic of China (PRC)"