9E+WWhere the offender has attained the age of 14, then except with his consent a court shall not make an order under paragraph 5(1) or 6(3) above containing provisions—
(a)which insert in the supervision order a requirement authorised by paragraph 6 of Schedule 6 to this Act; or
(b)which alter such a requirement already included in the supervision order otherwise than by removing it or reducing its duration.