Value-added and Non-value-added Business Tax Act Article 14

Except as otherwise prescribed in Section 2 of this chapter, business entities shall calculate the output tax based on the relevant sales amounts of goods and services, in accordance with the applicable tax rates prescribed in Article 7 or 10 and round to the nearest New Taiwan Dollar.The output tax is defined as the amount of business tax to be collected in accordance with this Act by the business entity at the time of selling goods or services.
中文原文 加值型及非加值型營業稅法第14條
營業人銷售貨物或勞務,除本章第二節另有規定外,均應就銷售額,分別按第七條或第十條規定計算其銷項稅額,尾數不滿通用貨幣一元者,按四捨五入計算。
銷項稅額,指營業人銷售貨物或勞務時,依規定應收取之營業稅額。

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