Sec.[Section] The General assembly hereby reseves, and the said Bank admits the right & power of the said assembly, if the public good shall require it, to hereafter modify, amend, or repeal the act of the 12^th February 1835, incorporating said Bank and all other acts supplemental thereto) (And it is further provided, that this act shall not take effect in favor of the said Bank unless it shall signify its assent to/each, and every provision thereof, which said assent shall be given in ten ^twenty^ days after the passage thereof by an agreement to the same under its corporate seal to be deposited with the secretary of state.