ADMINISTRATIVE LAW - RIGHT TO INFORMATION - REFUSAL OF ACCESS - DOCUMENTS NONEXISTENT OR UNLOCATABLE – request for a call centre audio recording - whether there are reasonable grounds to be satisfied the requested documents do not exist - sections 47(3)(e) and 52 of the Right to Information Act 2009 (Qld) and section 67(1) of the Information Privacy Act 2009 (Qld)