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2026/9/30

電子發票實施作業要點104年11月27日公告 105年3月1日生效有關折讓與銷退作業

電子發票實施作業要點104年11月27日公告 105年3月1日生效有關折讓與銷退作業

折讓與銷貨退回法規演進整理:105年電子化折讓 → 114年一律由賣方開立|更新日期:2026-09-30

本文為法規沿革整理

本文保留 105 年 3 月 1 日生效的折讓規定作為歷史參考。自 114 年 1 月 1 日起,現行規定請見〈電子發票折讓單怎麼開?114年新制完整說明〉。

電子發票折讓單自 105 年起可以電子方式開立,114 年起則改為一律由賣方開立,並依限上傳存證。

電子發票折讓法規演進時間軸

電子發票的銷貨退回、進貨退出或折讓(以下簡稱折讓)作業規定,從 105 年開放電子化開立,到 114 年改由賣方負責開立與傳輸,主要修正節點如下:

時間 規定重點 法源依據
105/3/1 起 104/11/27 公告:雙方合意後,得以網際網路或其他電子方式開立、傳輸或接收折讓證明單,免交付紙本;可由買方或賣方開立 電子發票實施作業要點;統一發票使用辦法第 7 條(當時條次為第四款)
114/1/1 起 折讓單一律由賣方營業人以電子方式開立,依限傳輸存證並交付買受人收執;存證時限維持不變 統一發票使用辦法第 20 條之 1、營業稅法第 32 條之 1、營業人開立電子發票應傳輸至財政部電子發票整合服務平台存證之資訊範圍及時限表
114/1/1~114/6/30 輔導期:賣方未開立折讓單或未依限傳輸,得免罰 財政部輔導措施
114/7/1 起 輔導期結束,未依限據實傳輸存證將依法處罰 營業稅法第 48 條之 2

105年與114年折讓規定有哪些不一樣?

項目 105/3/1 起 114/1/1 起(現行)
折讓單開立方 買賣雙方合意,買方或賣方皆可開立 一律由賣方開立
傳輸存證責任 由開立方傳輸至整合服務平台 由賣方依限據實傳輸
存證時限 買受人為非營業人:48 小時內;買受人為營業人:7 日內 維持不變:非營業人 2 日、營業人 7 日
紙本交付 以電子方式開立者,免交付紙本 電子方式開立,交付買受人收執

105年3月1日生效的折讓與銷退規定(原文摘錄)

以下為電子發票實施作業要點 105 年 3 月 1 日生效、與折讓及銷貨退回相關的規定摘錄:

電子發票之開立、作廢、銷貨退回、進貨退出或折讓,應經交易相對人同意,營業人並應留存該同意訊息與相關證明文件,至少保留五年。

如有發票作廢、銷貨退回、進貨退出或折讓、捐贈或列印電子發票證明聯等變更發票資訊時,應由賣方營業人依前開規定傳輸至整合服務平台存證。

營業人銷售貨物或勞務,依本法第三十二條及本作業要點規定開立電子發票,嗣後雙方同意以網站、電話或其他電子方式合意銷貨退回、進貨退出或折讓,得以網際網路或其他電子方式開立、傳輸或接收「銷貨退回、進貨退出或折讓證明單」,免以紙本「銷貨退回、進貨退出或折讓證明單」交付,並依統一發票使用辦法第七條第四款規定之時限將該證明單資訊傳輸至整合服務平台存證。

當時統一發票使用辦法第七條第四款規定的存證時限

開立電子發票之營業人,應於開立後四十八小時內將統一發票資訊及買受人以財政部核准載具索取電子發票之載具識別資訊傳輸至平台存證,並應使買受人得於該平台查詢、接收上開資訊;買受人為營業人者,至遲應於電子發票開立後七日內,完成買受人接收及由開立人將統一發票資訊傳輸至平台存證。如有發票作廢、銷貨退回或折讓、捐贈或列印電子發票證明聯等變更發票資訊時,亦同。

105年當時的作業說明

依當時規定,賣方取得買受人同意後,可開立線上電子折讓單,於 48 小時內上傳至平台,並透過 E-mail 或會員載具通知買受人折讓單已開立;買受人為營業人者,須在 7 日內完成接收或列印電子折讓證明聯。


現行電子發票折讓規定怎麼做?

現行規定重點(114年1月1日起)

買賣雙方合意銷貨退回、進貨退出或折讓後,應由賣方營業人以電子方式開立折讓單,依限據實傳輸至財政部電子發票整合服務平台存證,並交付買受人收執。

電子折讓證明聯的兩種列印格式

電子折讓證明聯目前有兩種列印格式,可依使用的印表機與作業需求選擇:

  • 熱感紙格式:105 年起即提供的格式,適用熱感式印表機。
  • A4 格式:以一般 A4 紙張列印。

熱感紙格式

A4 格式

電子折讓證明聯 A4 列印格式範例 - 電子發票折讓單

現行折讓作業的完整說明,可依需求參考以下文章:

法規原文說明可參閱財政部公告說明。


電子發票折讓法規常見問題

105年時,電子折讓單可以由買方開立嗎?

可以。105 年 3 月 1 日起,買賣雙方合意後,得以網際網路或其他電子方式開立、傳輸折讓證明單,買方或賣方皆可開立。自 114 年 1 月 1 日起,已改為一律由賣方營業人開立並傳輸存證。

114年折讓新制後,上傳存證時限有改變嗎?

沒有。存證時限維持不變:買受人為非營業人者為 2 日內,買受人為營業人者為 7 日內。114 年新制改變的是折讓單的開立方,由賣方負責開立與傳輸。

114年折讓新制從什麼時候開始處罰?

114 年 1 月 1 日至 6 月 30 日為輔導期,賣方未開立折讓單或未依限傳輸得免罰;自 114 年 7 月 1 日起,未依限據實傳輸存證者,依營業稅法第 48 條之 2 規定處罰。

電子折讓證明聯有哪些列印格式?

目前有兩種:105 年起即提供的熱感紙格式,以及 A4 格式,可依使用的印表機與作業需求選擇。

2026/9/8

電子發票開立折讓單是否仍需由買方加蓋發票章後取回紙本

電子發票開立折讓單是否仍需由買方加蓋發票章後取回紙本

電子發票折讓單需要取回紙本用印嗎?買方同意方式與 114 年起折讓單由賣方開立新制一次說明

買賣雙方同意以電子方式處理折讓,就不需取回用印紙本;自 114 年起折讓單一律由賣方開立。

買賣雙方在電子發票折讓作業上,經常遇到「該不該取回紙本」「該用哪種方式取得買方同意」這類疑問。以下先以常見情境說明,再彙整 Q&A 與法條依據。

電子發票折讓常見情境說明

情境一:客戶用 E-mail 回覆同意折讓,會計人員仍要求寄回紙本

賣方開立折讓單並以 E-mail 通知買方,買方也已回信確認同意,但公司內部會計流程仍習慣要求買方簽名蓋章寄回紙本才入帳。這種做法並非必要:只要雙方同意以電子方式處理,E-mail 回覆本身即可作為同意紀錄留存,不需再取回用印紙本。

情境二:買方是舊客戶,只用電話確認就直接開立折讓單

賣方業務員與長期配合的買方窗口,僅以電話口頭確認折讓金額,便直接開立折讓單上傳存證,事後未留下任何書面或電子紀錄。電話雖屬規定可用的合意方式,但營業人須留存同意訊息至少 5 年;僅口頭確認而未留存紀錄,將難以符合留存要求,買方事後若表示未曾同意,賣方也難以舉證。建議至少以簡訊、E-mail 或系統通知留下可查證的紀錄。

情境三:買方自己開立折讓單給賣方確認

部分企業買方習慣沿用舊制,自行開立折讓單傳給賣方確認。但依修正後《統一發票使用辦法》,自 114 年 1 月 1 日起電子發票折讓單一律由賣方營業人開立並上傳存證,買方自行開立的方式已不符合現行規定,建議提醒買方改由賣方統一處理。

電子發票折讓單常見問題

電子發票開立後由賣方開立折讓單,是否仍需由買方加蓋發票章後取回紙本?口頭或 E-mail 同意是否就足夠?

不需要取回用印紙本。依《統一發票使用辦法》第 20 條之 1,營業人開立電子發票後,經買賣雙方合意銷貨退回或折讓,應以網際網路或其他電子方式開立、傳輸或接收折讓證明單。因此,若買賣雙方同意以電子方式處理,不需取回用印的紙本折讓單。

買賣雙方合意的方式,依《電子發票實施作業要點》第三點,可透過網站、電話或其他電子方式進行,並非僅限傳真或紙本簽收,但系統須具備加解密或其他資訊安全措施;另依同要點第九點,營業人應留存同意訊息與相關證明文件至少 5 年,以備稽徵機關查調。因此建議以 E-mail 等可留存紀錄的方式確認,避免僅用電話口頭確認而難以事後舉證。

現在買方還可以自己開立折讓單給賣方嗎?

不行。依修正後《統一發票使用辦法》第 7 條、第 20 條之 1,自 114 年(2025 年)1 月 1 日起,電子發票折讓單一律由賣方營業人以網際網路或其他電子方式開立,並依規定時限傳輸存證、交付買受人收執,買方不能再自行開立折讓單。

用 LINE 跟買方確認折讓,這樣算數嗎?

依規定,買賣雙方以網站、電話或其他電子方式合意即可,LINE 也屬於電子方式之一。但同意紀錄須留存至少 5 年,LINE 訊息容易因換手機、換帳號等情況遺失,建議優先採用 E-mail 等容易長期保存紀錄的方式,或搭配系統自動發送的通知作為佐證。

如果沒有留存買方同意的紀錄,會有什麼風險?

依《電子發票實施作業要點》第九點,折讓的同意訊息與相關證明文件須保存至少 5 年,以備稽徵機關查調。若日後遭稽徵機關查核卻無法提出同意紀錄,可能無法證明該筆折讓確實經買方同意,進而影響申報稅額的認定。

買方是一般消費者(非營業人),折讓也適用電子方式合意嗎?

適用。相關規定並未限制買受人身分,不論買方是營業人或一般消費者,只要雙方同意以電子方式處理銷貨退回或折讓,皆不需取回紙本用印。但折讓單須依規定時限傳輸存證:買受人為營業人者自開立翌日起算 7 日內、非營業人者 2 日內。

電子發票折讓相關法條參考

法條規範內容
統一發票使用辦法第 20 條之 1營業人銷售貨物或勞務,於開立電子發票後,經買賣雙方合意銷貨退回或折讓、進貨退出或折讓,應以網際網路或其他電子方式開立、傳輸或接收銷貨退回、進貨退出或折讓證明單,其應有存根檔、收執檔及存證檔,用途如下:
一、存根檔:由賣方營業人自行保存,作為記帳憑證及依本法規定申報扣減銷項稅額之用。
二、收執檔:交付買受人收執,其為營業人者,作為記帳憑證及依本法規定申報扣減進項稅額之用。
三、存證檔:由賣方營業人傳輸至平台存證。
賣方營業人得自存根檔或買受人為營業人者得自平台存證檔,依規定格式下載列印銷貨退回、進貨退出或折讓證明單,作為申報扣減銷項稅額、進項稅額或記帳之憑證。
統一發票使用辦法第 7 條第 5 項開立電子發票之營業人,買受人為營業人者,如有發票更正、作廢、銷貨退回或折讓時,開立人應依規定時限完成買受人接收及將資訊傳輸至平台存證。
財政部存證資訊範圍及時限表依營業稅法第 32 條之 1 第 4 項授權訂定(114 年 1 月 1 日起施行):開立銷貨退回、進貨退出或折讓證明單,買受人為營業人者自開立翌日起算 7 日內、非營業人者 2 日內傳輸存證。財政部〈營業人開立電子發票應傳輸至財政部電子發票整合服務平台存證之資訊範圍及時限表〉
電子發票實施作業要點第三點以網站、電話或其他電子方式合意者,系統須具備加解密或其他資訊安全措施,並依規定時限將證明單資訊傳輸至整合服務平台存證。
電子發票實施作業要點第九點電子發票之開立、更正、作廢、銷貨退回或折讓,應經買受人同意,營業人並應留存該同意訊息與相關證明文件,至少保存五年。
114 年起重要更新:折讓單一律由賣方開立

依財政部賦稅署公告,修正後《統一發票使用辦法》第 7 條、第 20 條之 1 自 114 年 1 月 1 日起施行:過去折讓單可由買方或賣方開立,現已改為一律由賣方營業人開立並傳輸至電子發票整合服務平台存證。114 年 1 月至 6 月為輔導期,自 114 年 7 月 1 日起逾期傳輸將依法處罰。詳見 財政部賦稅署公告。

延伸閱讀

B2B 交換模式下的折讓與作廢確認流程,請參考 B2B 電子發票交換實務指南:MIG 4.1 退回拒收與作廢合規判定;已折讓發票的作廢處理,請參考 折讓過的發票終於能作廢了!

2026/8/6

Regulations Governing the Levy of Business Tax on Cross-Border Electronic Services

Taiwan's Business Tax on Cross-Border Electronic Services (境外電商營業稅): Taxation Registration, Scope of Taxation, and Filing Rules (2026 Update)

A complete guide to business tax on cross-border electronic services (跨境電子勞務課稅), including the 2025 taxation registration threshold adjustment

Key takeaway: A Cross-Border Electronic Services Supplier (境外電商營業人) that sells electronic services (電子勞務) to domestic individuals (境內自然人) must complete taxation registration (稅籍登記) and file business tax at a 5% rate once its annual sales exceed NT$600,000 (raised from NT$480,000, effective April 7, 2025).

To govern the levy of business tax on foreign enterprises, institutions, groups, or organizations that have no fixed place of business within the territory of the Republic of China but sell electronic services to domestic individuals (referred to below as "Cross-Border Electronic Services Suppliers," 境外電商營業人), the Ministry of Finance has issued the "Regulations Governing the Levy of Business Tax on Cross-Border Electronic Services" (跨境電子勞務交易課徵營業稅規範) pursuant to the Value-Added and Non-Value-Added Business Tax Act (營業稅法, the "Business Tax Act") and related regulations. This article explains the scope of application, taxation registration, method of taxation, and filing and payment requirements in full.

What counts as an electronic service (電子勞務), and how is a "domestic individual" (境內自然人) defined?

Electronic services under these Regulations cover three categories:

TypeDescription
Download-and-store typeServices transmitted over the internet or by other electronic means for download and storage onto a computer or mobile device (such as a smartphone or tablet)
Online-use typeServices used over the internet or by other electronic means without needing to be downloaded or stored on any device, including online games, advertising, video streaming, audio broadcasting, digital content (such as movies, TV dramas, and music), and interactive communication services
Other typeAny other service provided via the internet or other electronic means, such as a service provided through a Cross-Border Electronic Services Supplier's online platform but used at a physical location

Whether a buyer qualifies as a "domestic individual" is determined differently depending on whether the service has a physical place of use:

ScenarioDetermination criteria
No physical place of useAn individual domiciled or residing within the territory of the Republic of China; or the installation location of the device is within the territory; or the mobile phone number carries the country code 886; or the billing address, payment bank account, IP address, SIM card, or other transaction information indicates the buyer is a domestic individual
Has a physical place of useDetermined based on the location of real property (e.g., for lodging or repair services), the place where a transportation service is used, the place where a performance or exhibition activity is held, or otherwise whether the place of use of the service is within the territory of the Republic of China

Taxation registration (稅籍登記) rules for Cross-Border Electronic Services Suppliers (2025 threshold update)

Important update: registration threshold has been raised

A Cross-Border Electronic Services Supplier whose annual sales of electronic services to domestic individuals exceed NT$600,000 must complete taxation registration, either on its own or through an appointed tax-filing agent, pursuant to Article 28-1 of the Business Tax Act and Chapter 3 of the Regulations Governing Taxation Registration. This threshold was raised from NT$480,000 to NT$600,000 effective April 7, 2025, and this article has been corrected to reflect the current rule.

Key taxation registration procedures are summarized below:

ItemRequirement
Applying for registrationApply online for taxation (establishment) registration at the Ministry of Finance's eTax Portal (www.etax.nat.gov.tw, Tax on Cross-Border Electronic Services area, Apply for Taxation Registration), and upload the electronic documents required under Article 14 of the Regulations Governing Taxation Registration
Obtaining a login account and passwordAfter receiving approval notice from the competent tax collection authority, apply for a dedicated account and password at the eTax Portal using the business's uniform ID number, tax registration number, and registration number in its country of incorporation
Method of approval noticeThe competent tax collection authority notifies applicants in writing; with the applicant's consent, notice may instead be given electronically and downloaded from the official document download area of the eTax Portal
Amendment registrationAny change to the appointed tax-filing agent, the agency period, or the scope of the agency must be reported for amendment registration within 15 days of the change
Suspension / resumption of businessSuspension of business must be reported to the eTax Portal in advance for recordation, and the same applies when resuming business
Cancellation of registrationWhere any circumstance under Article 17 of the Regulations Governing Taxation Registration applies, cancellation of registration must be applied for within 15 days of the triggering event
Revocation of registrationIf cancellation is not applied for within 6 months, and the entity still fails to act after notice from the competent tax collection authority, that authority may revoke the entity's taxation registration

Scope of taxation (課徵範圍): who is liable for this business tax?

A Cross-Border Electronic Services Supplier that sells electronic services to domestic individuals through its own website or electronic system must file and pay business tax under Article 35 of the Business Tax Act on the full amount of consideration it collects.

In practice, transactions often involve multiple parties (a foreign supplier, an offshore platform, a domestic business entity, and a domestic individual buyer). Liability for reporting and paying tax on the full price generally follows whichever party actually collects payment and qualifies as the Cross-Border Electronic Services Supplier, summarized as follows:

Transaction patternParty liable to file and pay business tax on the full priceTreatment of the other party's fee
Foreign supplier A collects payment directly (no physical place of use, or the place of use is domestic)Foreign supplier A (if it qualifies as a Cross-Border Electronic Services Supplier and meets the registration threshold)The service fee (commission) that offshore platform B charges A is outside the scope of Taiwan business tax
Offshore platform B collects payment on behalf of foreign supplier A (place of use is domestic, or there is no physical place of use)Offshore platform BThe price A pays to B is outside the scope of Taiwan business tax
Domestic business entity 甲 collects payment directly (selling through offshore platform B)Domestic business entity 甲The service fee platform B charges 甲 must be reported and paid by 甲 under Article 36, Paragraph 1 of the Business Tax Act
Offshore platform B collects payment on behalf of domestic business entity 甲 (place of use is domestic, or there is no physical place of use)Offshore platform BThe price 甲 receives from B must also be reported and paid by 甲 under Article 35 of the Business Tax Act
Place of use outside the Republic of China

Regardless of the transaction pattern, if the service has a physical place of use and that place is outside the territory of the Republic of China, the transaction is outside the scope of Taiwan business tax.

Cross-border sales of electronic services to domestic individuals that do not fall into the patterns above remain subject to business tax under the Business Tax Act; where doubt arises, the competent tax collection authority will refer the matter to the Ministry of Finance for interpretation.

Filing and payment (申報繳納): tax rate, deadlines, and exchange rate conversion

ItemRequirement
Filing methodA Cross-Border Electronic Services Supplier that has completed taxation registration must file and pay business tax at the eTax Portal (Tax on Cross-Border Electronic Services area, File and Pay Business Tax) within the deadline prescribed under Article 35 of the Business Tax Act
Merger, dissolution, etc.Where a merger, transfer, dissolution, or cessation of business occurs, the current-period business tax must be filed and paid within 15 days of the event under Article 33 of the Enforcement Rules of the Business Tax Act
Crediting of input taxTax-bearing input documents obtained from a domestic business entity may be credited against output tax if not otherwise excluded from crediting, and provided the input is used exclusively for the sale of electronic services to domestic individuals and meets the requirements of Article 38, Paragraph 1 of the Enforcement Rules of the Business Tax Act
Foreign-currency conversion rateAmounts denominated in foreign currency are converted to New Taiwan Dollars using the Bank of Taiwan's closing spot buying rate (or, if unavailable, the cash buying rate) quoted on the last day of the filing period (or the last day of the period preceding a merger or similar event); if the last day falls on a holiday, the rate for the next business day applies (postponed to the following Monday if it falls on a Saturday)
Checking published exchange ratesAvailable at the eTax Portal (Tax on Cross-Border Electronic Services area, File and Pay Business Tax, Exchange Rate Inquiry by Period)
Method of paymentTax must be paid in New Taiwan Dollars; where payment is made by remittance, the entity bears its own remittance fees and related handling charges

Investigation duties and penalties (違章處罰)

To verify taxation data, investigators designated by tax collection authorities or the Ministry of Finance's Taxation Administration may conduct investigations under Article 30 of the Tax Collection Act (稅捐稽徵法), and Cross-Border Electronic Services Suppliers are obligated to cooperate. A Cross-Border Electronic Services Supplier that fails to complete taxation registration or to file and pay business tax as required is subject to penalties under the Tax Collection Act, the Business Tax Act, and related regulations.

Frequently Asked Questions

At what annual sales level must a Cross-Border Electronic Services Supplier complete taxation registration?

A Cross-Border Electronic Services Supplier selling electronic services to domestic individuals must complete taxation registration once its annual sales exceed NT$600,000. This threshold was raised from NT$480,000 to NT$600,000 effective April 7, 2025; entities below the threshold are not yet required to register.

What is the business tax rate for Cross-Border Electronic Services Suppliers?

Cross-Border Electronic Services Suppliers are subject to a 5% business tax rate, filed and paid on the full amount of consideration collected under Article 35 of the Business Tax Act. Where the price is denominated in a foreign currency, it must be converted to New Taiwan Dollars using the Bank of Taiwan's published exchange rate for the relevant period before the tax amount is calculated.

Do Cross-Border Electronic Services Suppliers need to issue uniform invoices (統一發票)?

Cross-Border Electronic Services Suppliers are required under the Regulations Governing the Use of Uniform Invoices (統一發票使用辦法) to issue cloud invoices (雲端發票). Given their globalized operations and transaction patterns, the regulations specifically mandate cloud invoices rather than traditional paper uniform invoices.

Does a domestic business entity selling through an offshore platform also need to file tax?

It depends on who collects payment. If the domestic business entity collects payment directly from the buyer, it must file and pay business tax on the full price under Article 35 of the Business Tax Act. If the offshore platform collects payment on the entity's behalf, the amount the domestic entity receives from the platform must still be filed and paid under Article 35 of the Business Tax Act.

What happens if a Cross-Border Electronic Services Supplier fails to register or file as required?

A Cross-Border Electronic Services Supplier that fails to complete taxation registration or to file and pay business tax as required is subject to penalties under the Tax Collection Act, the Business Tax Act, and related regulations. Investigators designated by tax collection authorities or the Ministry of Finance's Taxation Administration may also conduct investigations under Article 30 of the Tax Collection Act, and the entity is obligated to cooperate.