Value-added and Non-value-added Business Tax Act Article 28-1

A business entity prescribed in Subparagraph 4, Article 6 of this Act with annual sales amount exceeding certain criteria, shall apply for taxation registration with the competent tax authority or appoint an individual residing within the territory of the R.O.C. or an enterprise, institution, group, or organization with a fixed place of business as a tax-filing agent to handle the taxation registration.Where any foreign enterprise, institution, group, or organization appoints a tax-filing agent in accordance with the preceding paragraph, it shall apply for approval from the local competent tax authority of the tax-filing agent. In case of a change of agent, it shall also file for approval for such an event.The certain criteria of annual sales amount referred to in Paragraph 1 above shall be prescribed by the MOF.
中文原文 加值型及非加值型營業稅法第28-1條
第六條第四款所定營業人之年銷售額逾一定基準者,應自行或委託中華民國境內居住之個人或有固定營業場所之事業、機關、團體、組織為其報稅之代理人,向主管稽徵機關申請稅籍登記。
依前項規定委託代理人者,應報經代理人所在地主管稽徵機關核准;變更代理人時,亦同。
第一項年銷售額之一定基準,由財政部定之。

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