The General Assembly shall reconvene on the sixth Wednesday after adjournment of each regular or special session for the purpose of considering bills which may have been returned by the Governor with recommendations for their amendment and bills and items of appropriation bills which may have been returned by the Governor with his objections. No other business shall be considered at a reconvened session. Such reconvened session shall not continue longer than three days unless the session be extended, for a period not exceeding seven additional days, upon the vote of the majority of the members elected to each house. The General Assembly may provide, by a joint resolution approved during a regular or special session by the vote of the majority of the members elected to each house, that it shall reconvene on a date after the sixth Wednesday after adjournment of the regular or special session but no later than the seventh Wednesday after adjournment.