Create Invoice
Open a shipment and click the "Accounts" tab, click the "+ New Invoice" icon to create an new Invoice.
Invoice Status
Draft - The default invoice status, invoice is created but has not been posted yet
Open - The invoice has been posted (sent) to the customer
Paid - The invoice has been paid
Partical - The invoice has been paid partically
Uncollectible - The invoice is not collectible
Void - The invoice is void (cancelled) \