(a) Appeal. For graded commodities, the appeal inspection service shall be performed by the field office responsible for the area in which the original inspection was performed. For nongraded commodities, the appeal inspection service shall be performed by the Service's Commodity Testing Laboratory.

(b) Board appeal. Board appeal inspection service shall be performed only by the Board of Appeals and Review. The field office will act as a liaison between the Board of Appeals and Review and the applicant.