590.310—Where to file an appeal.
(a) Appeal of resident inspector's inspection or decision in an official plant.
Any interested party who is not satisfied with the determination of the class, quantity, or condition of product which was inspected by an inspector in an official plant and has not left such plant, and the operator of any official plant who is not satisfied with a decision by an inspector on any other matter relating to inspection in such plant may request an appeal inspection or review of the decision by the inspector by filing such request with the inspector's immediate supervisor.
(b) All other appeal requests.
Any interested party who is not satisfied with the determination of the class, quantity, or condition of product which has left the official plant where it was inspected may request an appeal inspection by filing such request with the Regional Director in the region where the product is located or with the Chief of the Grading Branch.