Amendments may be proposed by the Board of Directors or by petition in writing to the Executive Director by 5% or more members of the Council. The Executive Director, after notifying the Board of Directors, shall send a ballot on amendments to the entire membership within 30 days after such amendments have been proposed. To be valid, the marked ballots shall be received at the Council’s office no later than 30 days after submittal to the membership. A majority of the valid ballots, counted by the Executive Director, shall determine the fate of the amendment. The results shall be transmitted to the President for presentation at the next annual business meeting.