(2) At the same or subsequent sessions, the board may receive new proposals for a textbook previously rejected and adopt the textbook in the same manner as other textbooks are required to be adopted. No proposal shall be considered unless the publisher has delivered without charge two copies of each textbook contained in the proposal to the Department of Education at least 60 days before the meeting. [1965 c.100 §255; 1975 c.754 §10; 1991 c.886 §7]