for the same at such times, and in such proportions, as shall be required of, and paid by, the stockholders generally, by the rules and regulations of the aforesaid company, to be paid out of any money in the Treasury, not otherwise appropriated: Provided, That not more than one-third part of the sum, so subscribed for the use of the United States, shall be demanded in the present year, nor shall any greater sum be paid on the shares so subscribed for, than shall be proportioned to assessments made on individual or corporate stockholders.
"Sec. 2. And be it further enacted, That the said Secretary of the Treasury shall vote for the President and Directors of the aforesaid company, according to such number of shares as the United States may, at any time, hold in the stock thereof, and shall receive upon the said stock the proportion of the tolls which shall, from time to time, be due to the United States for the shares aforesaid, and shall have and enjoy, in behalf of the United States, every other right of stockholder in said Company."
