This part sets forth the procedures applicable to requests by domestic interested parties for the classification and rate of duty applicable to designated imported merchandise, and to petitions alleging that the appraised value is too low, that the classification is not correct, or that the proper rate of duty is not being assessed upon designated imported merchandise which is claimed to be similar to the class or kind of merchandise manufactured, produced, or wholesaled by the petitioner.
19 C.F.R. §175.0