Only growers in attendance at meetings for election of nominees shall participate in the nomination of grower members and their alternates, and only handlers in attendance at meetings for election of nominees shall participate in the nomination of handler members and their alternates, and only processors in attendance for election of nominees shall participate in the nomination of processor members and their alternates. A grower may participate only in the election held in the district in which he or she produces pears, and a handler may participate only in the election held in the district in which he or she handles pears. Each person may vote as a grower, handler or processor, but not a combination thereof. Each grower, handler and processor shall be entitled to cast one vote, on behalf of himself, his agents, partners, affiliates, subsidiaries, and representatives, for each nominee to be elected.