101 Pa. Code § 31.1
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Appeals officer—The individual responsible, under section 503(c)(1) of the law (65 P. S. § 67.503(c)(1)), for appeals from determinations of an open-records officer.
Bureau—The Legislative Reference Bureau.
Law—The Right-to-Know Law (65 P. S. § § 67.101—67.3104).
Legislative agency—Any of the following:
(xv) The Legislative Audit Advisory Commission.
Legislative service agency record—A legislative record of a legislative service agency.
Legislative record—As defined in section 102 of the law (65 P. S. § 67.102).
Legislative service agency—A legislative agency other than the Senate or the House of Representatives.
Mass request—A number of requests under the law to which all of the following apply:
(v) The open-records officer is able to trace the requests to a common source.
Nonadjudicative legislative service agency—A legislative service agency other than the Bureau or the Legislative Reapportionment Commission.
Office of Open Records—The Office of Open Records established in section 1310 of the law (65 P. S. § 67.1310).
Open-records officer—The individual responsible for access to the information of a legislative service agency under section 502(a)(2) of the law (65 P. S. § 67.502(a)(2)).
Requester—A person that makes a request for information from a legislative service agency under the law.