§ 8.37 Practice by former Government employees.

(a) Violation of law. No former officer or employee of the U.S. Government, of any independent agency of the United States, or of the District of Columbia, may represent anyone in any matter administered by the Bureau if the representation would violate any of the laws of the United States.

(b) Personal and substantial participation. No former officer or employee of the executive branch of the U.S. Government, of any independent agency of the United States, or of the District of Columbia, may represent anyone with repect to any matter under the administration of the Bureau, if he or she participated personally and substantially in that matter as a Government employee.