(1) Every teacher approved for the purposes of the Subsidy Code or the code of aid for secondary, primary or special schools and employed in a subsidized school (including any such teacher while on probation) shall be required to contribute to the Fund in the manner provided in rule 8, except- (L.N. 88 of 1976; L.N. 240 of 1982; L.N. 304 of 1982; L.N. 260 of 1995; L.N. 163 of 1996)

(a) any teacher employed on a temporary basis;
(b) any teacher in receipt of salary based on a salary scale applicable to unqualified teachers:
Provided that any such teacher may at his option contribute to the Fund;
(c) any teacher who is in continuous contributory service otherwise than by reason of contributing to the Grant Schools Provident Fund:
Provided that any such teacher may at his option contribute to the Fund;
(d) any teacher who, on being first appointed to a subsidized school, is over the age of 55 years: (L.N.163 of 1996)
Provided that-
(i) the provisions of this sub-paragraph shall not apply in the case of any such teacher who, at the time of first appointment to a subsidized school, is in continuous contributory service by reason of making contribution to the Grant Schools Provident Fund; and
(ii) any such teacher who, at the time of first appointment to a subsidized school, is in continuous contributory service otherwise than by reason of making contribution to the Grant Schools Provident Fund, may at his option contribute to the Fund;
(e) any teacher who is a member of a religious order, convent or missionary body:
Provided that any such teacher may at his option contribute to the Fund;
(f) any teacher employed on a part time basis:
Provided that, subject to the approval of the Director, any such teacher may at his option contribute to the Fund.

(a) be irrevocable; and
(b) not be exercised with retrospective effect otherwise than-
(i) to the date of first appointment in a subsidized school; or
(ii) for a period of 3 months,
whichever is the less.
*(2A)-(2B) (Repealed L.N. 163 of 1996)

"(2A) An option to contribute to the Fund by a teacher to whom paragraph (1)(d) applies (other than a teacher first appointed to a subsidized school on or after 24 June 1982) or by a teacher to whom paragraph (1A) applies-
(a) shall be irrevocable; and
(b) if exercised not later than 3 months after 24 June 1982, may be retrospective to the date of his first appointment to a subsidized school, or to such other date after such first appointment, as the teacher may specify in the option, but in any event shall not be retrospective to a date earlier than 1 September 1980. (L.N. 240 of 1982)
(2B) Where an option has been exercised by a teacher before 24 June 1982 and by virtue of paragraph (2)(b)(ii) such option is retrospective to a date after the date of his first appointment to a subsidized school, the teacher may exercise an additional option, not later than 3 months after 24 June 1982, to contribute to the Fund from the date of his first appointment to a subsidized school or from 1 September 1980, whichever is the later. (L.N. 240 of 1982)".