The PIA is not an automatic disclosure process; requests may be denied. 在某些情况下,索取公众资料的要求可能会被拒绝,因为有些资料并非合法提供给公众. 这可能包括, 例如, 人事记录, student education records; records concerning on-going 研究; classified information; and information considered confidential commercial/financial information.