(b) The methods of sampling and analysis to determine plant food deficiencies in fertilizer or deficiencies in other regulated products shall be those established by the Association of American Plant Food Control Officials and AOAC International or other methods approved by the commissioner by legislative rule.
(c) The commissioner, in determining for administrative purposes whether any fertilizer is deficient in plant food, or whether any other regulated product in compliance with this article shall be guided solely by the official sample as defined in subsection(v), section one of this article, and obtained and analyzed as provided for in subsection (b) of this section.
(d) The results of official analysis of regulated products and portions of official samples, shall be distributed by the commissioner as provided by legislative rule. The results of official analysis of fertilizers and portions of official samples shall be distributed by the commissioner as provided by legislative rule. Official samples establishing a penalty for nutrient deficiency shall be retained for a minimum of thirty days from issuance of a deficiency report.