The board shall not enter into and be a party to any such lease unless the following conditions have been met:
(a) A resolution authorizing such action and prescribing the terms of the lease has been adopted by the unanimous vote of all the members elected or appointed to the board;
(b) Such resolution has been published in a newspaper of general circulation published in the district, or if there be no such newspaper, in a newspaper having a general circulation in the district, once a week for three weeks prior to the execution of the lease by the board.