§151. Units for supervision; supervising principals where union impracticable
(REPEALED)
SECTION HISTORY
PL 1965, c. 188 (AMD). PL 1967, c. 425, §19 (AMD). PL 1971, c. 610, §21 (AMD). PL 1973, c. 571, §§13-16 (AMD). PL 1973, c. 783, §1 (AMD). PL 1977, c. 25, §§1,2 (AMD). PL 1981, c. 693, §§1,8 (RP).