Value-added and Non-value-added Business Tax Act Article 24

For enterprises engaged in banking, insurance, and trust investment, the sales amount from operations not within the scopes of their exclusively authorized business, as defined in the footnote of "The Table of the Time Limits for Issuing Documentary Evidence of Sales" of this Act, may apply to calculate business tax in accordance with the provisions in Section 1 of this chapter and file tax returns in accordance with the provisions of Article 35.Where application has been made in accordance with the preceding paragraph and Article 23 to calculate the amount of business tax under Section 1 of this chapter, application may not be made for alteration for three years following approval.The MOF may gauge the nature and capabilities of small business entities and determine that Section 1 of this chapter shall be applied to calculate business tax and Article 35 shall be applied to file tax returns and pay taxes.
中文原文 加值型及非加值型營業稅法第24條
銀行業、保險業、信託投資業,經營本法營業人開立銷售憑證時限表特別規定欄所列非專屬本業之銷售額部分,得申請依照本章第一節規定計算營業稅額,並依第三十五條規定申報繳納。
依前項及第二十三條規定,申請依照本章第一節規定計算營業稅額者,經核准後三年內不得申請變更。
財政部得視小規模營業人之營業性質與能力,核定其依本章第一節規定計算營業稅額,並依第三十五條規定,申報繳納。

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