In appointing the 9 members pursuant to subparagraph (B) of paragraph (1), as well as in designating alternates pursuant to subparagraph (B) of paragraph (3) and in appointing alternates to fill vacancies pursuant to subparagraph (B) of paragraph (4), the first members of the independent redistricting commission shall ensure that the membership is representative of the demographic groups (including racial, ethnic, economic, and gender) and geographic regions of the State, and provides racial, ethnic, and language minorities protected under the Voting Rights Act of 1965 with a meaningful opportunity to participate in the development of the State’s redistricting plan. (3) Designation of alternates to serve in case of vacancies (A) Members appointed by agency At the time the agency appoints the members of the independent redistricting commission under subparagraph (A) of paragraph (1) from each of the categories referred to in such subparagraph, the agency shall, on a random basis, designate 2 other individuals from such category to serve as alternate members who may be appointed to fill vacancies in the commission in accordance with paragraph (4). (B) Members appointed by first members At the time the members appointed by the agency appoint the other members of the independent redistricting commission under subparagraph (B) of paragraph (1) from each of the categories referred to in such subparagraph, the members shall, in accordance with the special rules described in paragraph (2), designate 2 other individuals from such category to serve as alternate members who may be appointed to fill vacancies in the commission in accordance with paragraph (4). (4) Appointment of alternates to serve in case of vacancies (A) Members appointed by agency If a vacancy occurs in the commission with respect to a member who was appointed by the nonpartisan agency under subparagraph (A) of paragraph (1) from one of the categories referred to in such subparagraph, the agency shall fill the vacancy by appointing, on a random basis,