3.—(1) This regulation has effect for limiting class sizes for infant classes at schools in Wales for the purposes of section 1 of the 1998 Act and shall apply as provided in paragraph (5).
(2) No infant class at such a school shall contain more than 30 pupils while an ordinary teaching session is conducted by a single qualified teacher.
(3) Where an ordinary teaching session in the case of any such class is conducted by more than one qualified teacher, paragraph (2) shall be taken to prohibit the class from containing more than 30 pupils for every one of those teachers.
(4) Where an infant class at such a school contains any excepted pupil (as defined by regulation 4), paragraph (2) or (3) shall apply as if he were not included in the class.
(5) Any limit imposed by this regulation shall apply—
(a)in relation to the 1999/2000 school year and any subsequent school year, in the case of classes containing pupils the majority of whom will attain the age of 5 during the course of the school year;
(b)in relation to the 2000/2001 school year and any subsequent school year, in the case of classes containing pupils the majority of whom will attain the age of 6 during the course of the school year; and
(c)in relation to the 2001/2002 school year and any subsequent school year, in the case of classes containing pupils the majority of whom will attain the age of 7 during the course of the school year.
(6) References in the 1998 Act to any limit imposed under section 1 of that Act shall, in relation to schools in Wales, be construed in accordance with this regulation.