A representative laboratory analysis conducted for purposes of fulfilling a requirement established by a federal agency or a state agency other than the department may not:
(1) be considered a guarantee of nutrient levels for:
(A) fertilizer material;
(B) mixed fertilizer;
(C) manipulated manure; or
(D) specialty fertilizer; or
(2) be used to determine whether animal manure, plant remains, or mixtures of those substances are commercial fertilizers under Section 63.002(c).