45 CFR § 500.4 - Suspension of attorneys.
(a) The Commission may disqualify, or deny, temporarily or permanently, the privilege of appearing or practicing before it in any way to any person who is found after a hearing in the matter—
(1) Not to possess the requisite qualifications to represent others before the Commission; or
(2) To be lacking in character or integrity or to have engaged in unethical or improper professional conduct; or
(3) To have violated sections 10 and 214 of the War Claims Act of 1948, as amended, section 4(f) of the International Claims Settlement Act of 1949, as amended, or section 1705(b)(6) of the National Defense Authorization Act for Fiscal Year 2017, Title XVII, Guam World War II Loyalty Recognition Act.
(b) Contemptuous or contumacious conduct at any hearing will be ground for exclusion from that hearing and for summary suspension without a hearing for the duration of the hearing.