7.4.3  Opportunity for Hearing or Appeal   Notwithstanding Articles 7.4.1 and 7.4.2,  a Provisional Suspension  may not be imposed unless the Athlete  or other Person  is given: (a) an opportunity for a Provisional Hearing , either  before or on a timely basis after the imposition of the Provisional Suspension ; or (b) an opportunity for an expedited hearing in accordance with Article 8 on a timely basis after  the impositio n of the Provisional Suspension.