In this part—
"information" includes a document.
"operator" means the Operator within the meaning of the National Redress Act .
"participating State institution" means a participating State institution
within the meaning of the National Redress Act to the extent that the
institution is part of or connected with the State.
"State agency" —
(a) means the whole or part of a body (whether or not incorporated) established for a public purpose by or under a law of the State, whether or not it is a State institution or participating State institution; and
(b) includes a body or class of bodies prescribed by regulation for this definition; but
(c) does not include a body or class of bodies prescribed by regulation as not being a body or class of bodies for this definition.