(1) A student may appeal to the Board against the imposition of any disciplinary sanction in relation to that student within 21 days after receiving notification of the imposition of the sanction under clause 24(2) , (4) or (5) or clause 25(6) .(2) On hearing an appeal, the Board may (a) uphold the appeal and revoke the imposition of any disciplinary sanction; or(b) dismiss the appeal and confirm the imposition; or(c) dismiss the appeal and substitute any other disciplinary sanction.