139.—(1) A licence under Article 138 may be varied on the application of the person holding it by the appropriate education and library board.
(2) The appropriate education and library board may vary or revoke a licence under Article 138 if—
(a)any condition subject to which the licence was granted is not observed; or
(b)the board is not satisfied as to the matters mentioned in paragraph (3) of that Article,
but before varying or revoking the licence, the board shall give to the holder of the licence such notice, if any, of the board’s intentions as may be practicable in the circumstances.
(3) The appropriate education and library board referred to in paragraphs (1) and (2) is—
(a)the education and library board which granted the licence; or
(b)any education and library board in whose area the performance or one of the performances to which it relates takes place.
(4) An education and library board which proposes to vary or revoke a licence which was granted by, or relates to a performance in the area of, another education and library board shall, if practicable, consult that other board.
(5) An education and library board which varies or revokes such a licence shall inform that other board.