(iii) Agricultural commodity. For purposes of paragraph (d)(2)(ii) of this section agricultural commodity includes, in addition to other agricultural commodities, crude gum (oleoresin) from a living tree, and gum spirits of turpentine and gum rosin as processed by the original producer of the crude gum (oleoresin) from which derived. Gum spirits of turpentine means spirits of turpentine made from gum (oleoresin) from a living tree and gum rosin means rosin remaining after the distillation of gum spirits of turpentine. See 12 U.S.C. 1141j(g), sec. 15(g) of the Agricultural Marketing Act, as amended, and 7 U.S.C. 92.