2.—(1) A Board of Governors incorporated under Article 40 is dissolved by virtue of this paragraph—N.I.
(a)if the school under its management is discontinued; or
(b)where the school becomes a grant-maintained integrated school, when a new Board of Governors for the school is incorporated under Part VI of the 1989 Order.
(2) Where two or more schools are grouped under the management of one Board of Governors, sub-paragraph (1) applies when, in relation to each of the schools, head (a) or (b) is satisfied.