The legislation provides protection for those who make disclosures who are public servants. Under the act it's a defined term that covers a wide variety of government institutions. It wouldn't go so far as to attach to employees in a foundation if the foundation is not under federal control and a federal institution in the same way we think of departments, agencies, commissions, crown corporations, and those sorts of bodies.
On June 13th, 2006. See this statement in context.