Value-added and Non-value-added Business Tax Act Article 32

Business entities selling goods or services shall issue uniform invoices to the purchaser at the time stipulated in "The Table of the Time Limits for Issuing Documentary Evidence of Sales" in this Act. Business entities of a special nature or small business entities may be exempted from issuing uniform invoices, and may, instead, issue ordinary receipts.The list price set by a business entity for taxable goods or services shall be inclusive of the business tax.Where a business entity calculates the output tax pursuant to Article 14, if the purchaser is a business entity, the output tax and the sales amount shall be stated separately on the uniform invoice; if the purchaser is not a business entity, the uniform invoice shall be issued at the list price.The uniform invoice shall be printed and sold by the government, or the business entity may print its own invoices with approval from the government or issued, transmitted or obtained via the internet or by other electronic means. The forms, items to be recorded, and use of invoices shall be prescribed by the MOF.The competent tax authority may approve a business entity to use a cash register to issue uniform invoices or to issue cash register receipts instead of issuing uniform invoices on an item-by-item basis. Regulations governing the use of cash registers shall be provided by the MOF.The Table of the Time Limits for Issuing Documentary Evidence of Sales.pdf
中文原文 加值型及非加值型營業稅法第32條
營業人銷售貨物或勞務,應依本法營業人開立銷售憑證時限表規定之時限,開立統一發票交付買受人。
但營業性質特殊之營業人及小規模營業人,得掣發普通收據,免用統一發票。
營業人對於應稅貨物或勞務之定價,應內含營業稅。
營業人依第十四條規定計算之銷項稅額,買受人為營業人者,應與銷售額於統一發票上分別載明之;買受人為非營業人者,應以定價開立統一發票。
統一發票,由政府印製發售,或核定營業人自行印製,或由營業人以網際網路或其他電子方式開立、傳輸或接收;其格式、記載事項與使用辦法,由財政部定之。
主管稽徵機關,得核定營業人使用收銀機開立統一發票,或以收銀機收據代替逐筆開立統一發票;其辦法由財政部定之。

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