Voting Improvement Act

Establishes as an independent entity in the executive branch the Election Administration Commission (Commission) to serve as a national clearinghouse and resource for the compilation of information and review of procedures with respect to the administration of Federal elections.

Establishes the Election Administration Commission Advisory Group.

Establishes within the Commission: (1) the Election Administration Office to develop, adopt, and update voluntary engineering and procedural performance standards for Federal election voting systems; and (2) the Grant Administration Office to make grants to eligible States, local governments, and eligible manufacturers of voting equipment.

Directs the Commission to develop a model election code, and authorizes it to appoint a Model Election Code Task Force to prepare such code and submit it to the Commission for approval.

Amends Federal civil service law to entitle an employee to leave without loss of or reduction in pay, leave to which otherwise entitled, credit for time or service, or performance or efficiency rating, in order to serve as an uncompensated poll worker on the day of any Federal general election.

Transfers to the Commission: (1) all functions which the Office of the Election Administration, established within the Federal Election Commission (FEC), exercised before enactment of this Act; (2) all functions which the Presidential designee under the Uniformed and Overseas Citizens Absentee Voting Act exercised before such date; and (3) all functions which the FEC exercised under the National Voter Registration Act of 1993 before such date.