With some exceptions, 18 U.S.C. § 205 bars Government employees from representing anyone other than themselves on any matter before the executive branch or any court, if the United States is a party or has an interest. This bar extends even to pro bono (uncompensated) representations, unless those representations are within exceptions specified in the law.
ExceptionAn exception allows the employee to represent, without compensation:
Example of Practical Effect of 18 U.S.C. § 205A Government employee works for the Department of Agriculture. Because of this statute, she may not call the Internal Revenue Service on behalf of a neighbor (even if she will not be paid by the neighbor) to ask for reduction of a penalty assessed against him for late payment.