The Tribal Voting Membership shall have the right to propose any legislative measure by a petition signed by at least twenty (20) percent of the eligible voters. Each such petition shall be filed with the Election Board (or Yurok Tribal Council until an Election Board is established) at least sixty (60) days prior to the next annual election at which time it shall be placed on the ballot. Voting shall be by secret ballot. Absentee ballots shall be available upon written request by eligible voters and mailed in a timely manner to such voters. If approved by a majority of those participating in the election, the petition shall be in full force and effect immediately.