Regulations Governing Taxation Registration Article 8

Where there has been a change to any particulars in the taxation registration, the business entity shall apply to the competent tax authority to modify the registration within 15 days from the occurrence of the change by filling out an application for modification registration attached with relevant supporting documents; in the case of a change of address, the business entity shall apply for modification registration with the competent tax authority for the new address.A business entity that is a company, sole proprietorship, partnership or limited partnership shall apply for modification of registration, with respect to any particulars originally registered, within 15 days after completing modification of company, commercial, or limited partnership registration; however, if any particulars regulated in Subparagraph 9, Paragraph 1 of Article 4 is the only item needs to be modified, the business entity shall apply for modification registration in accordance with the preceding Paragraph.In the case of a business entity which sells goods or services via automatic vending machines, if there is any increase or decrease in the number of the machines or change in the place of the location of the machines, the business entity shall report to the competent tax authority within 15 days after such occurrence.A business entity which had sold goods or services solely or concurrently via online platform, applications on mobile devices, or other electronic tools before January 1, 2023 and completed the taxation registration before December 31, 2022 shall, before January 15, 2023, apply to the competent tax authority to modify the registration in accordance with Subparagraph 9, Paragraph 1 of Article 4.
中文原文 稅籍登記規則第8條
稅籍應登記事項有變更者,應自事實發生之日起十五日內,填具變更登記申請書,檢同有關證件,向主管稽徵機關申請變更登記。
但遷移地址者,應向遷入地稽徵機關申請變更登記。
公司、獨資、合夥及有限合夥組織之營業人對於稅籍應登記事項申請變更登記者,應於辦妥公司、商業或有限合夥變更登記之日起十五日內為之。
但僅對於第四條第一項第九款規定之應登記事項申請變更登記者,應依前項規定辦理。
以自動販賣機銷售貨物或勞務者,其自動販賣機營業台數增減、放置處所變更時,應於事實發生之日起十五日內,向營業人所在地稽徵機關報備。
營業人於中華民國一百十一年十二月三十一日以前已辦妥稅籍登記,且至一百十二年一月一日有專營或兼營以網路平臺、行動裝置應用程式或其他電子方式銷售貨物或勞務者,應於一百十二年一月十五日以前,依第四條第一項第九款規定之應登記事項,向主管稽徵機關申請變更登記。

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