dination rule.--Any exercise of authority
under chapter 97 of title 5, United States Code (as
amended by subsection (a)), including under any system
established under such chapter, shall be in conformance
with the requirements of this subsection.

SEC. 842. [6 U.S.C. 412] LABOR-MANAGEMENT RELATIONS.

(a) Limitation on Exclusionary Authority.--
(1) In general.--No agency or subdivision of an
agency which is transferred to the Department pursuant
to this Act shall be excluded from the coverage of
chapter 71 of title 5, United States Code, as a result
of any order issued under section 7103(b)(1) of such
title 5 after June 18, 2002, unless--
(A) the mission and responsibilities of the
agency (or subdivision) materially change; and
(B) a majority of the employees within such
agency (or subdivision) have as their primary
duty intelligence, counterintelligence, or
investigative work directly related to
terrorism investigation.
(2) Exclusions allowable.--Nothing in paragraph (1)
shall affect the effectiveness of any order to the
extent that such order excludes any portion of an
agency or subdivision of an agency as to which--
(A) recognition as an appropriate unit has
never been conferred for purposes of chapter 71
of such title 5; or
(B) any such recognition has been revoked
or otherwise terminated as a result of a
determination under subsection (b)(1).
(b) Provisions Relating to Bargaining Units.--
(1) Limitation relating to appropriate units.--Each
unit which is recognized as an appropriate unit for
purposes of chapter 71 of title 5, United States Code,
as of the day before the effective date of this Act
(and any subdivision of any such unit) shall, if such
unit (or subdivision) is transferred to the Department
pursuant to this Act, continue to be so recognized for
such purposes, unless--
(A) the mission and responsibilities of
such unit (or subdivision) materially change;
and
(B) a majority of the employees within such