On my old MYOB software any Receiveable with a Tax Balance came up (even if the Receiveable balance was 0). In the new AccountRight Live this isn't available. This situation arises when a credit note is raised to offset an existing invoice but the inputter uses a different GST code. It is a great check to enssure vredits have been processed properly.
"Tax balances on zero Receiveable Balances"
Invoice for $110 with GST Credit note for $110 with FRE