User Documentation Sales Management Sales Edit on GitHub Invoicing Method¶ How to invoice ordered or delivered quantities Which policy should I choose? How do I set the invoicing policy? How do I invoice a sales order? Common errors Next steps How to invoice a down payment on a sales order How do I invoice a down payment? How do I invoice the rest and deduct the down payments? Which account do down payments use? Common errors Next steps How to send a pro-forma invoice How do I enable pro-forma invoices? How do I send a pro-forma invoice? Common errors Next steps How to invoice services by hours worked How do I set up a service invoiced on timesheets? How do I invoice the hours worked? Common errors Next steps How to invoice a project by milestones How do I set up a milestone product? How do I invoice the milestones? Common errors Next steps How to re-invoice expenses to customers How do I set an expense category as re-invoiceable? How do I re-invoice an expense? Common errors Next steps
