What It Does

Automatically creates credit notes when you refund invoices. Professional PDFs generated, clients can view/download them. Simple, compliant, no hassle.

Features

• Auto-generate credit notes on refund
• Professional PDF generation matching WHMCS invoice style
• Diagonal "CREDIT NOTE" watermark
• Negative amounts (EU/Belgian accounting compliance)
• Client area integration ("My Credit Notes" page)
• Manual generation for any refunded invoice
• Resend credit note emails
• Bulk PDF export to ZIP
• Optional Nextcloud integration (auto-upload PDFs)
• Configurable credit note prefix
• Email notifications (optional)
• Tracks everything in database
• 7 languages included (EN, NL, FR, DE, IT, RU, ES)

Requirements

• WHMCS 8.9+
• PHP 7.4+
• MySQL 5.7+

Setup

1. Extract to /modules/addons/credit_notes/
2. Go to Setup → Addon Modules
3. Activate "Credit Notes"
4. Enter license key
5. Configure settings (or leave defaults)

How It Works

Invoice gets refunded → Credit note auto-generated → PDF created → Client can view/download → Optional Nextcloud upload

Nextcloud Integration

If you have Nextcloud Invoice Feeder installed, credit notes automatically upload to your Nextcloud in organized folders (Year/Quarter/CreditNotes/). Works independently if module not installed.

File Format

YYYYMMDD_CN###.pdf (e.g., 20250120_CN001.pdf)