How to convert sales orders/purchase orders to invoices

 NOTE: All line items of a sales/purchase order will print on each order converted to an invoice every time, even once billed. Use an invoice form such as "Invoice w/Freight & Backorder" to show cases of items waiting for billing. 

To apply an order to an invoice, you need to first assign an order number to the sales order.

For sales orders:

1. Go to Tasks, Quotes/Sales Orders/Proposals, and Sales Orders.
2. Enter or select a sales order. Click the Invoice button. 
3. On the Apply to Sales Order No: tab, finish the invoice by entering the number of items you’re shipping.
4. Click Print or Save to complete the process.

For purchase orders:

1. Select Tasks, then Purchase Orders.
2. Enter or select a purchase order. Click the Receive button. 
3. On the Apply to Purchase Order No: tab, finish the purchase invoice by entering the number of items you’re receiving.
4. Enter an invoice number and click Save to complete the process.