---
title: Invoices | Classic Class Manager Knowledge Base
description: Creating, updating and understanding your invoices.
---

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1. [Classic Class Manager Knowledge Base](https://help.classmanager.com/)
2. [Invoices](https://help.classmanager.com/invoices)

# Invoices

 Creating, updating and understanding your invoices.

- [Creating Custom Invoices](https://help.classmanager.com/how-to-generate-one-off-invoices-class-manager-help-center)
- [Xero Sync Error - How to Fix](https://help.classmanager.com/xero-sync-error-invoice-already-exists)
- [Adding Automatic Late Fees](https://help.classmanager.com/late-fee-class-manager-help-center)
- [Exporting Invoices to QuickBooks](https://help.classmanager.com/export-from-class-manager-1)
- [Manually Exporting Invoices to Xero](https://help.classmanager.com/export-from-class-manager)
- [Generating and Sending Invoices](https://help.classmanager.com/how-do-i-generate-and-send-invoices-class-manager-help-center)
- [Generating Invoices for All Your Orders at Once](https://help.classmanager.com/how-to-generate-invoices-for-all-your-orders-at-once-class-manager-help-center)
- [Applying Tax to Your Invoices](https://help.classmanager.com/applying-tax-to-your-invoices-class-manager-help-center)
- [Why Are There Multiple Invoices for the Same Customer?](https://help.classmanager.com/why-is-there-multiple-invoices-created-for-one-customer-class-manager-help-center)
- [Editing a Part-Paid or Fully Paid Invoice Without Deleting Payment Records](https://help.classmanager.com/how-to-edit-a-part-paid-or-paid-invoice-without-deleting-the-payment-class-manager-help-center)
- [How Class Manager knows which Customer need to be invoiced](https://help.classmanager.com/how-class-manager-knows-which-customer-need-to-be-billed-class-manager-help-center)
- [Setting and Modifying Invoice Due Dates for All Invoices or Specific Invoices](https://help.classmanager.com/how-to-set-your-invoice-due-date-class-manager-help-center)
- [Adding Extra Items or Fees to Existing Invoices](https://help.classmanager.com/how-to-add-an-item-to-existing-invoices-class-manager-help-center)
- [Sending Payment Reminders to Your Customers](https://help.classmanager.com/how-to-send-payment-reminders-to-your-customers-class-manager-help-center)
- [Approving Invoices Without Sending Them to Your Customers](https://help.classmanager.com/choose-not-to-email-your-invoices-to-customers-class-manager-help-center)
- [Editing Invoices Before Sending](https://help.classmanager.com/how-to-edit-invoices-before-you-send-them-class-manager-help-center)
- [Resending Invoices to Customers](https://help.classmanager.com/how-to-resend-invoices-to-a-customer-class-manager-help-center)
- [Printing an Invoice](https://help.classmanager.com/how-to-print-an-invoice-class-manager-help-center)
- [Troubleshooting Invoice Generation Issues](https://help.classmanager.com/my-invoices-arent-generating...-class-manager-help-center)
- [Generate an invoice for a customer that has joined the school halfway through the term](https://help.classmanager.com/how-to-generate-an-invoice-for-a-customer-that-has-joined-the-school-halfway-through-the-term-class-manager-help-center)
- [Make changes after you have sent an invoice](https://help.classmanager.com/how-to-make-changes-after-you-have-sent-an-invoice-class-manager-help-center)
- [Xero Integration](https://help.classmanager.com/getting-started-with-xero-integration-class-manager-help-center)
- [Adding a logo](https://help.classmanager.com/uploading-your-company-logo)
- [Stop billing customers for half-term/holidays](https://help.classmanager.com/stop-billing-customers-for-half-term/bank-holidays-class-manager-help-center)
- [Monthly Billing](https://help.classmanager.com/monthly-billing)
- [Bulk Credits](https://help.classmanager.com/adding-bulk-credits)
- [Deleting Invoices](https://help.classmanager.com/deleting-invoices)
- [Delete Credits](https://help.classmanager.com/delete-credits)
- [Moving Students to Another Class and Invoice Handling](https://help.classmanager.com/moving-students-to-another-class-and-invoice-handling)

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