ISL – January 2021 Page 57 of 160 The Suspension  or Analytical Testing  Restriction  period may be extended up to an additional six (6) months, if the Laboratory  provides justifiable explanation(s) for the delay , as determined by the LabEG , in addressing the conditions to lift the Suspension  or Analytical Testing  Restriction  (including the submi ssion  of satisfactory corrective actions ).