This dialog shows you all these customer names and lets you scroll up and down the list in order to pick the customer to update or display.
New button lets you set up another customer. There is no practical limit to the number of customers you can specify.
Delete button deletes the highlighted customer. Changes are not effective until the OK button is clicked.
Customer Name, Customer Address, Shipping Address
Information entered in these fields will appear on the invoices to this customer.
A/c Code
This is the code that determines the sorting sequence of customer names. Select the code you want from the drop down list immediately below the code displayed in red. You can change this at any time. It only affects the customer sequencing.
GL Customer control account
In accounting terms, the Account Names List is the chart of accounts of the General (Nominal) Ledger. In commercial accounting it can be cumbersome to have each customer allocated a GL account on its own. It is more usual to group customers into a separate Sales Ledger and only record the summary totals of the customers in a control account in the GL
The drop down box lists all accounts that you have designated as customer accounts. Each designated customer account can contain either just a single customers or multiple customers. When displaying this account, you can either see all the entries posted to this GL customer account or you can choose to see just one of the customers allocated to this control account.
Free of VAT
Check this box if the customer is exempt from VAT. Invoices to this customer will be calculated free of VAT.
Contact 1, Contact 2, Phone 1, Phone 2, Fax, VAT Reg
These are all memo fields for your own convenience. The information is not used by MoneyBox.
If you specify a category, all invoices issued to this customer will be include in subsequent analysis of the customer type.
The payment terms you specify will be printed on invoices to this customer. The specific terms can be over-ridden in specific invoices.
You can subsequently analyse all invoices issued for each different payments terms.
The representative you identify will be printed on invoices to this customer. Different representatives can be specified for specific invoices.
You can subsequently analyse all invoices issued for each different sales representative.
Credit Limit
Each invoice to this customer will be checked against the credit limit you set
This customer list can be used for subsequent sales analysis by clicking the appropriate tab 
in the Invoiced Items window.