Merging invoices is a feature in Synergy that allows you to merge/include already created invoices into one invoice by passing all the invoice information to the new invoice. This feature is used, for example, if your customer has other unpaid inv...

You can send invoice overdue notice manually or automatically with cron jobs. Sending with cron job To set up automatically overdue notices, go to Setup -> Settings -> Cron Job -> Invoice...

While viewing the invoice from the admin area click on the + Payment button to record a new invoice payment, after which a new view will be shown including the record payment form. ...

How to Create an Invoice To create a new invoice, go to Sales > Invoices, then click the “Create New Invoice” button. ...