9 CFR 590.320 - How to file an appeal.
The request for an appeal inspection or review of an inspector's decision may be made orally or in writing. If made orally, written confirmation may be required. The applicant shall clearly state the identity of the product, the decision which is questioned, and the reason(s) for requesting the appeal service. If such appeal request is based on the results stated on an official certificate, the original and all copies of the certificate available at the appeal inspection site shall be provided to the inspector assigned to make the appeal inspection.