Invoicing is crucial for small business cash flow. Learn how to create an effective professional invoice that increases the likelihood of timely payments.

QuickBooks automatically sets your invoice number and increases it sequentially with each new invoice, but you can adjust this number to anything you want. Setting your own invoice number can help to ...

Invoice numbers are a series of unique, sequential identifiers which are included on every invoice a business sends, whether big or small. These numbers help in keeping track of sales and purchases, ...

Centrally processed in Accounts Payable. The PO number needs to be typed/written directly on the invoice prior to submission. All PO numbers begin with either 450 or 600. Click to submit invoices ...