Admissibility of a public-interest civil action filed by the Public Prosecutor's Office on grounds of administrative misconduct in a formal public announcement of a public auction for the sale of shares in a state-owned sanitation corporation. Shareholders' agreement, entered into after the auction, containing an arbitration clause whose validity is also the subject of the public-interest civil action. The arbitration clause is binding only on the shareholders, and not on the Public Prosecutor's Office: