E-Invoice Settings

import { Aside } from “@astrojs/starlight/components”;

Electronic Invoice (E-Invoice) settings allow businesses in Taiwan to manage automated issuance, track booklet allocation, B2C/B2B carrier assignment, and transmission exception alerts.

Quick Summary

• Navigation path: Settings > Store > Invoices
• Access requirements: Store Owner or Manager role (requires active E-Invoice subscription module)
• Cloud sync: Real-time integration with the Ministry of Finance Value-Added Center (E0402 upload / E0501 voiding).

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Configuration Options

Setting Option	Type	Default	Effect & Purpose
Enabled	Toggle	False	Globally enables electronic invoice generation during checkout and unlocks invoice booklet management.
Enable Email Notification	Toggle	False	Sends automated email summaries of daily invoice issuance and alerts for transmission failures.
Email Recipients	Email array	Empty	List of administrator or accountant email addresses that receive daily invoice logs and error notifications.

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Key Workflows & Regulations

1. Daily Checkout Flow

When E-Invoices are enabled:

1. At payment checkout, the cashier chooses:
   • Printed Paper Invoice (收執聯): Printed on compliant 57mm thermal rolls with two 2D barcodes.
   • Mobile Barcode Carrier (手機條碼載具): Scanned via 1D barcode scanner.
   • Citizen Digital Certificate (自然人憑證): Scanned via card reader / barcode.
   • B2B Unified Business Number (統編發票): 8-digit business tax ID with buyer title.
   • Donation Code (愛心碼): NPO donation string.

2. Automatic E0402 Uploads

All issued invoices are automatically packaged into government-compliant E0402 MIG 3.2.1 data packets and uploaded to the Ministry of Finance Platform within 48 hours.

3. Track Allotment (Booklets)

Before issuing invoices for an odd/even billing period (e.g. 05-06月), you must register and assign your 50-number or 500-number track booklet batches in Settings > Invoices > Booklets.

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Troubleshooting & FAQs

Issue	Cause	Solution
”No active invoice track available” error during checkout	Current bi-monthly period booklet has run out or was not added.	Go to Admin > E-Invoices > Booklets and add new track number ranges for the current period.
Invoice upload failed notification email received	Invalid tax ID or Value-Added Center API timeout.	Check Reports > Invoices to review failed batches and tap Retry Upload.
Need to reprint a damaged invoice	Customer paper copy torn or blurred.	Locate the transaction under Recent Orders > Invoices and select Reprint Invoice Copy (補印).