It sounds like your client is faxing a statement to their client.
Since you can send a statement directly from the Customer View screen, why not design a Form that shows the information they want to transmit to the customer?
A client's statement can be formatted to show all the information on the Overdue Receivables report, except the comments and notes. Specifically, you can place the amounts in different aging columns, which might be what they are looking for.
Or perhaps they are sending the report off to another office? In that case, generating the report as a PDF and e-mailing it would result in more readable output. AdagioPDF can do this easily.
Or perhaps I'm mistaken as to what you are trying to accomplish.
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Andrew Bates