(a) Any person subject to the assessment who during the representative period determined by the Secretary has engaged in the production, feeding, or slaughtering of lambs is eligible to participate in the referendum. Those persons whose only share in the proceeds of a sale of lambs is a sales commission, handling fee or other service fee or the person acquired ownership of the lambs to facilitate the transfer of ownership of such lambs from the seller to a third party and resold such lambs no later than 10 days from the date on which the person acquired ownership are not considered are producers, seedstock producers, or feeders and not subject to the assessment. Such persons will not be eligible to participate in the referendum.

(b) Proxy Registration. (1) Proxy registration is not authorized, except that an officer or employee of a corporate producer, feeder, seedstock producer, or first handler, or any guardian, administrator, executor, or trustee of a person's estate, or an authorized representative of any eligible producer, feeder, seedstock producer, or first handler entity (other than an individual person), such as a corporation or partnership, may vote on behalf of that entity. Further, an individual cannot vote on behalf of another individual (i.e., spouse, sharecrop lease, etc.).

(2) Any individual, who votes on behalf of any producer, feeder, seedstock producer, or first handler entity, shall certify that he or she is authorized by such entity to take such action. Upon request of the county FSA office, the person voting may be required to submit adequate evidence of such authority.

(c) Joint and group interest. A group of individuals, such as members of a family, joint tenants, tenants in common, a partnership, owners of community property, or a corporation who engaged in the production, feeding, or slaughtering of lambs during the representative period as a producer, feeder, seedstock producer, or first handler entity shall be entitled to cast only one vote; provided, however, that any individual member of a group who is an eligible person separate from the group may vote separately.