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Guestline Advanced C&B: Use Invoice Management to manage post-event billing

You can manage and amend event invoices after checkout in a few simple steps.

Written by Xanthe Jackson

This article explains how post-event billing works in Advanced C&B, the benefits of this feature, and how users can now access Event Billing after checkout. This enhancement increases flexibility, billing accuracy, and workflow efficiency for hotel teams.

Important information

This feature is available for:


Benefits of this feature

Enabling access to Event Billing after checkout introduces several operational advantages:

  • Improved post-stay service: Users can amend invoices after an event has checked out, ensuring accurate billing adjustments.

  • Better cashflow management: Ensures timely adjustments, reducing outstanding balances created by checkout errors.

  • Post-stay upsell opportunities: Allows additional services or charges to be added after checkout.

  • Audit trail for record keeping: Captures all post-checkout billing actions for accountability.


Amend event billing before check-out

If a billing mistake is found while the event or function is still resident, you can amend the bill within event room billing.

If the Invoice has been finalised, you can select Reinstate Invoice, which:

  1. Creates a credit or reversed bill split.

  2. Creates a new bill split and recreates all of the previous postings.

  3. Allows you to amend charges as required.


Amend billing after check-out

This is a new feature.

To correct a billing mistake after the event has been checked out, follow the steps below:

  1. Navigate to Accounting, Reports and then select Invoice Reprint.

  2. Use the report filters to locate the invoice to be edited, then select Event Billing.

  3. Within the Event Billing, click to Reinstate Invoice.

  4. Make the required changes, such as:

    • Add new postings or charges.

    • Reinstate a split if you need to perform invoice corrections.

    • Amend the Billing Address.

    • Assign to a ledger account.

  5. Once the changes are complete and the bill split shows a zero balance, select Finalise to close billing.

    ⚠️Important: Finalise not only completes the bill but also ensures the reporting for post-stay room billing amendments is correctly updated.


Reporting for post-event billing amendments

When you access Event Billing and begin making post-stay amendments, the booking will automatically appear in the relevant financial reports:

  • Room Balances report: The booking is listed under the new Checked-out Function Balances and Credit Limits section. This section displays all non-resident event bookings with reactivated splits, ensuring clear visibility of any post-checkout billing activity.

  • In-house CFWD figures: Any open balances will also be included in the period-end In-house CFWD totals until the invoice is finalised.

Once you complete all required amendments in Event Billing, selecting Finalise will automatically:

  • Remove the booking’s balance from the Room Balances report.

  • Remove the balance from the EOD CFWD section.


Troubleshooting

  • Why can’t I reinstate an Event Bill after checkout for some bookings? This is only available for bookings created since 5 May 2025. If the booking was made prior to this date – you will need to use our article: Correct Invoice.

  • If I finalise the bill and then spot another mistake, what should I do? You can follow the same steps in this article to make further amendments.

  • Why is an event or function still showing on Checked-out Function Balances and Credit Limits when the balance is 0.00? Checked-out balances show for any invoices that have not been finalised. You can finalise the invoice to remove it from this list of outstanding room balances, by navigating to the event billing for this event billing, then selecting Finalise.

  • What user permissions or audit logs are there for post-stay billing changes? Permissions/role requirements: Room Billing; Room billing - Amend; Invoice Reprint; Regenerate Invoice. You can see within Reservation Logs that the Finalise button shows as “Checked out” within the logs.

  • I cannot use the feature because the “for date” on the invoice will be incorrect. When the transaction is posted:

    • The Posting Date is set to the current accounting period.

    • The For Date remains the original date used in the initial postings.

  • I cannot reinstate the invoice, the button is greyed out. When you hover over the button, Rezlynx displays the reason why the action is unavailable. In most cases, this occurs because one of the following has happened:

    • A credit note has been allocated to the invoice in Aged Debtors

    • A deposit has been invoiced to the ledger against the invoice

    To reinstate the invoice:

    1. Go to Aged Debtors

    2. Locate the company and the affected invoice.

    3. Unallocate the credit note, or related allocation, from the invoice.

    4. Once the allocation is removed, return to the invoice — the Reinstate button will become available.

    5. When a reversed split is created, Rezlynx automatically allocates the reversed split to the original invoice. This allocation happens automatically; the user does not need to manually allocate it in Aged Debtors.

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