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 impo sition  of the Provisional Suspension.