Income Tax Act Article 98-1

A profit-seeking enterprise having its head office outside the territory of the Republic of China which has been approved by the MOF in accordance with Article 25 may compute its profit-seeking enterprise income tax in accordance with the following provisions:1. For an enterprise having a branch office in the territory of the Republic of China, the branch office shall make the provisional tax payment and file a declaration on such provisional payment in accordance with Article 67 and at the close of the year shall further compute the tax for annual settlement, make payment of the same and file an annual income tax return in accordance with Article 71;2. For an enterprise without a branch office but having a business agent in the territory of the Republic of China, the business agent shall be responsible for withholding the tax. In the event that the business agent does not collect the price of goods pursuant to contractual agreement, it shall be responsible for reporting and paying the tax in accordance with the relevant withholding provisions or the payer shall withhold the tax at the time of payment under the approval of the competent tax authority;3. For an enterprise having neither branch office nor business agent in the territory of the Republic of China, the payer shall withhold the tax at the time of payment.
中文原文 所得稅法第98-1條
總機構在中華民國境外之營利事業,依第二十五條規定經財政部核准或核定適用該條規定計算其中華民國境內之營利事業所得額者,應依左列規定繳納其應納營利事業所得稅:
一、在中華民國境內設有分支機構者,應由該分支機構依照第六十七條之規定繳納暫繳稅款並辦理暫繳申報。
年度終了後,再依第七十一條之規定繳納結算應納稅款並辦理結算申報。
二、在中華民國境內未設分支機構而有營業代理人者,應由營業代理人負責扣繳。
營業代理人依約定不經收價款者,應照有關扣繳規定負責報繳或報經主管稽徵機關核准由給付人扣繳。
三、在中華民國境內未設分支機構及營業代理人者,應由給付人於給付時扣繳。

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