21.—(1) Subject to paragraph (2) and Article 17(1), on the renewal of a licence it shall, unless suspended, remain in force until—
(a)if it is renewed by the clerk of petty sessions during the month of September immediately preceding the expiration of the then current licensing period, the expiration of the next following licensing period; or
(b)if it is renewed by a court within the 3 months immediately preceding the expiration of the then current licensing period, the expiration of—
(i)the next following licensing period, or
(ii)such lesser period ending on 30th September as the court shall determine; or
(c)if it is renewed by a court in any other case, the expiration of—
(i)the then current licensing period, or
(ii)such lesser period ending on 30th September as the court shall determine.
(2) Paragraph (1) shall not prejudice the operation of Articles 13(2)(c), 20, 25(b), 26(7) and 28, under which a licence may, or may be deemed to, continue in force after the time when it would otherwise expire.
(3) Where, on renewing a licence, a court of summary jurisdiction gives a direction under Article 15(5)(a) or varies or cancels any direction given under Article 7(13) or 15(5)(a) and the holder of the licence appeals against the direction, variation or cancellation, as the case may require, the direction, variation or cancellation shall not take effect until the appeal is determined or abandoned.