When a Bill is reserved by the Governor for the consideration of the President, the President shall declare either that he assents to the Bill or that he withholds assent therefrom:
     Provided that where the Bill is not a Money Bill, the President may direct the Governor to return the Bill to the Legislative Assembly together with such a message as is referred to in section 39, and when a Bill is so returned, the Legislative Assembly shall reconsider it accordingly within a period of six months from the date of receipt of such message, and if it is again passed by the Legislative Assembly with or without amendment, it shall be presented again to the President for his consideration.