Railway Act Article 13

Railway gauge shall be set at 1.435 meters; special conditions ratified by the MOTC shall be exempted.

中文原文鐵路法第13條

鐵路軌距，定為一公尺四公寸三公分五公釐。
但有特別情事，經交通部核准者，不在此限。

English translation for reference only; the Chinese text prevails. Not legal advice.