Rule 43 - Appearance of Attorneys Employed by or Representing United States Government; Affidavits1. Attorneys employed by or representing the United States Government, in matters before the courts of this state in which the United States has a direct interest, shall be permitted by the courts of this state to appear on behalf of the United States Government and to represent the interests thereof in any litigation in which the United States Government is interested. 2. At the time of appearing in any such suit on behalf of the United States Government, such attorney shall file with the clerk of the court, if there is one, and if there is not one, then with the judge or justice of such court, an affidavit to the effect that the United States Government is interested in the matter before the court in which such appearance is being entered, that such person represents the United States Government and that his appearance is made in performance of his duties as such representative of the United States Government and is made in pursuance of this rule.