(d)
Establishment and contents of index; modification of index
The Commission shall establish, within one year after the date on which the Commission conducts its first meeting, an index which includes—
(1)
any property in the park or preservation district (except for any property identified in section
410cc–21
(a)(2) of this title) which should be preserved, restored, managed, developed, maintained, or acquired by the Commission because of its national historic or cultural significance; and
(2)
any property which should be preserved, restored, managed, developed, or maintained in a manner compatible with the purpose of this subchapter because of its proximity to
(A)
any property referred to in paragraph (1) of this subsection, or
The index may be modified only by a majority vote of the members of the Commission, taken when a quorum is present.