; (ii) the preservation of Tribal cultural sites within the Tribal cultural area; and (iii) this Act. (B) New uses (i) In general If the Secretary concerned determines under subparagraph (A) that a new use is consistent with the requirements of clauses (i) through (iii) of that subparagraph, before authorizing the new use, the Secretary concerned shall request agreement from the applicable Tribal commission. (ii) Approval If the applicable Tribal commission agrees to the new use for which the Secretary concerned requests agreement under clause (i), or does not respond to the request by the date that is 60 days after the date on which the Secretary concerned makes the request under that clause, the Secretary concerned shall authorize the new use. (iii) Denial If the applicable Tribal commission denies agreement for a new use by the date that is 30 days after the date on which the Secretary concerned makes the request under clause (i), the Secretary concerned shall— (I) consult with the applicable Tribal commission to determine specific measures to eliminate or mitigate potential adverse impacts to the Tribal cultural area resulting from the new use; and (II) authorize the new use, subject to the measures determined under subclause (I). (3) Management plan (A) In general Not later than 3 years after the date on which a Tribal cultural area is designated for inclusion in the System, the Secretary concerned shall develop a comprehensive plan for the management of the Tribal cultural area in accordance with paragraph (2). (B) Requirements In developing a management plan under subparagraph (A), the Secretary concerned shall— (i) closely collaborate with the applicable Tribal commission in accordance with subparagraph (C); (ii) consult with— (I) Indian Tribes; (II) appropriate State and local governmental entities; and (III) members of the public