Edition V3.10: Holy fucking obvious ....

Me: Hey - we had an Invoice rejected from that Large US based retailer.

Foolio: Ok what was this issue?

Me: Well it seems they don't like receiving invoices without an invoice number on them.

Foolio: Eh why not?

Me: Yeah they're funny that way, plus the purchase order number might have not been recognized.

Foolio: Eh what was the purchase order number?

Me: Ordinarily a Purchase Order number like "TEST ORDER PLEASE DELETE" indicates that it should not be processed.

Foolio: Eh this is so hard, I wonder how would I know that it was a test order, and that should be deleted?

Me: Oh lord take me away....