- Change or cancel the registration
- Go (in the details of the registration) to the tab Invoices
- Click on in case of a bank transfer or credit invoice
- Click on the Send payment email button in case of an online payment
Good to know
If a guest changes the registration himself, a (credit) invoice is automatically generated and sent for any extra/overpaid costs. In case the guest has to pay extra costs and the online payment module is activated, the option to pay these extra costs is offered immediately.