49 C.F.R. § 1503.431
(c) Effect of signing a document. By signing a document, the attorney of record, the party, or the party's representative certifies that he or she has read the document and, based on reasonable inquiry and to the best of that person's knowledge, information, and belief, the document is—
(d) Sanctions. On motion of a party, if the ALJ or TSA decision maker finds that any attorney of record, the party, or the party's representative has signed a document in violation of this section, the ALJ or the TSA decision maker, as appropriate, will do the following: