3.—(1) Notwithstanding the provisions of section 132–
(a)no person shall be appointed to the post of head teacher of a department of a county, voluntary or maintained special school; and
(b)no county, voluntary or maintained special school shall be so reorganised that it consists of two or more separate departments, each with a head teacher.
(2) Where in the period commencing on 26th May 1999 and ending immediately before 1st September 1999 a post of head teacher of a department of a relevant school is or becomes vacant–
(a)section 132 shall cease to have effect in relation to the school;
(b)any post of head teacher of a department of the school shall cease to exist; and
(c)there shall be a single post of head teacher of the school.