9.—(1) Save where regulation 8 applies, the Department may revoke its decision to prohibit the employment or further employment of a teacher or a person to whom Article 88A of the 1986 Order applies on either or both of the grounds mentioned in paragraph (2).
(2) The grounds upon which a decision of the Department may be revoked are that—
(a)the Department is in possession of information relevant to the decision which it did not have at the time the decision was made; or
(b)the Department is in possession of evidence of a material change in the circumstances of the person concerned occurring since the decision was made.
(3) A person who has been prohibited from teaching or working with children shall no longer be so prohibited—
(a)where regulation 8(1)(a) applies and the conviction ceases to have effect; or
(b)where regulation 8(1)(b) applies and the disqualification order ceases to have effect; or
(c)where paragraph (1)(c) of regulation 8 applies and his name is removed from the list referred to in that paragraph.