If at any time any publisher shall enter into any understanding, agreement, or combination to control the prices or to restrict competition in the adoption or sale of school books, each and every contract made by the publisher shall thereupon become null and void at the option of the other parties thereto.
History:Ex1959 c 71 art 8 s 21; 1980 c 609 art 6 s 32; 1998 c 397 art 6 s 124