Reclamation districts created under this chapter may accept appointment as fiscal agent or other authority of the United States to make collections of money for or on behalf of the United States in connection with any federal or other reclamation project whereupon the reclamation district and the county treasurer for said district shall be authorized to act and to assume the duties and liabilities incident to such action and the district board shall have full power to do any and all things required by the said statute now or hereafter enacted in connection therewith and to do 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.