Value-added and Non-value-added Business Tax Act Article 30

In the case that there is any change in matters registered under Article 28 and 28-1, or there is a merger, ownership transfer, dissolution, or nullification of business of a business entity, an application for modification of registration or cancellation of registration shall be filed with the competent tax authority within fifteen days after the occurrence of such an event.An application by a business entity under the preceding paragraph, for modification of registration or cancellation of registration, may only take effect upon the payment in full of taxes, or upon the provision of security, provided, however, that this requirement shall not apply in the case of application for modification of registration due to merger, increase of capital, or a change in business address or scope of business.
中文原文 加值型及非加值型營業稅法第30條
營業人依第二十八條及第二十八條之一申請稅籍登記之事項有變更,或營業人合併、轉讓、解散或廢止時,均應於事實發生之日起十五日內填具申請書,向主管稽徵機關申請變更或註銷稅籍登記。
前項營業人申請變更登記或註銷登記,應於繳清稅款或提供擔保後為之。
但因合併、增加資本、營業地址或營業種類變更而申請變更登記者,不在此限。

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