This chapter does not apply to or include any nonprofit cooperative association which is organized and operating pursuant to Chapter 1 (commencing with Section 54001) or pursuant to similiar laws of any other states, the District of Columbia, or the United States. This chapter also does not apply to the agents of these organizations in the performance of their duties. This chapter does apply to the activities of the organization, or agent, which involve the handling or dealing in any farm product of nonmembers of the organization, and activities of such an organization, or agent, which involve acting as a producer bargaining association asserting the lien rights of its members.