ADMINISTRATIVE LAW - RIGHT TO INFORMATION - REFUSAL OF ACCESS - NONEXISTENT OR UNLOCATABLE DOCUMENTS - applicant submits agency failed to locate documents - whether agency has taken all reasonable steps to locate documents relevant to the access application - whether documents were created - whether access to further documents may be refused on the basis that they are nonexistent or unlocatable - sections 47(3)(e) and 52 of the Right to Information Act 2009 (Qld)