The board of directors may accept on behalf of the district an appointment of the district as fiscal agent of the United States, or authorization of the district by the United States to make collection of moneys for or on behalf of the United States in connection with any federal reclamation project, whereupon the district shall be authorized so to act and to assume the duties and liabilities incident to such action. The board shall have full power to do any and all things required by the federal statutes now or hereafter enacted in connection therewith, and all things required by the rules and regulations now or that may hereafter be established by any department of the Federal Government in regard thereto.