Numbers and Numbers and Records and Books _ must be trackable Referring to "invoice #9048," rather than "That invoice I sent you last month, I think on a Tuesday," is much easier to track for both you and your client. Assign numbers to your invoices systematically, consistently and chronologically. Some people number their invoices by year (for example, 2009043 would be the 43rd invoice of 2009). You could also specify a code for the project. For example, ABC06 would be the 6th invoice for the ABC project that you're currently working on. Having an invoice and project numbering system keeps everything in line.
The decision to automate Accounts Payable _ Their Accounts Payable (AP) department consisted of 13 people processing in the region of 180ꯠ invoices per year from suppliers across Europe. Invoices need to be approved by 250 individuals from 3 offices in the UK, 11 depots and 2 manufacturing plants, in addition to users in mainland Europe.