; and (C) is prohibited from advocating for the adoption or rejection of any legislative proposal. (3) Training of members appointed to commission Not later than January 15 of a year ending in the numeral one, the nonpartisan agency established or designated under this subsection shall provide the members of the independent redistricting commission with initial training on their obligations as members of the commission, including obligations under the Voting Rights Act of 1965 and other applicable laws. (4) Regulations The nonpartisan agency established or designated under this subsection shall adopt and publish regulations, after notice and opportunity for comment, establishing the procedures that the agency will follow in fulfilling its duties under this Act, including the procedures to be used in vetting the qualifications and political affiliation of applicants and in creating the selection pools, the randomized process to be used in selecting the initial members of the independent redistricting commission, and the rules that the agency will apply to ensure that the agency carries out its duties under this Act in a maximally transparent, publicly accessible, and impartial manner. (5) Designation of existing agency At its option, a State may designate an existing agency in the legislative branch of its government to appoint the members of the independent redistricting commission plan for the State under this Act, so long as the agency meets the requirements for nonpartisanship under this subsection. (6) Termination of agency specifically established for redistricting If a State does not designate an existing agency under paragraph (5) but instead establishes a new agency to serve as the nonpartisan agency under this section, the new agency shall terminate upon the enactment into law of the redistricting plan for the State. (7) Preservation of records The State shall ensure that the records of the nonpartisan agency are retained in the appropriate State archive in such manner as may be necessary to enable the