Sec. 17.
Actions heretofore taken, special assessments heretofore levied and bonds heretofore issued under this act, as originally adopted or subsequently amended, are validated. A board of county road commissioners acting under this act, or a township, shall not contest the validity of any such bonds after they are sold and delivered and the board of county road commissioners has received the consideration therefor.
History: Add. 1973, Act 122, Imd. Eff. Aug. 21, 1973