Where a sample or specimen of any such article is taken for examination under this chapter, the director shall, upon request, provide a part thereof for examination by any person named on the label of such article, or the owner thereof, or his or her attorney or agent; except that the director is authorized, by regulation, to make such reasonable exceptions from, and to impose such reasonable terms and conditions relating to, the operation of this section as he or she finds necessary for the proper administration of the provisions of this chapter.