However, the Athlete thenhas the possibility to avoid or reducesanctions if the Athlete candemonstrate that he or she was notat fault or significant fault (Article10.5 (Elimination or Reduction ofPeriod of Ineligibility Based onExceptional Circumstances)) or incertain circumstances did not intendto enhance his or her sport performance(Article 10.4 (Elimination orReduction of the Period of Ineligibilityfor Specified Substances underSpecific Circumstances)).The strict liability rule for thefinding of a Prohibited Substancein an Athlete's Sample, with apossibility that sanctions may bemodified based on specified criteria,provides a reasonable balancebetween effective anti-dopingenforcement for the benefit of all"clean" Athletes and fairness in theexceptional circumstance where aProhibited Substance entered anAthlete’s system through No Faultor Negligence or No Significant Faultor Negligence on the Athlete’s part.It is important to emphasize thatwhile the determination of whetherthe anti-doping rule violation hasoccurred is based on strict liability,the imposition of a fixed period ofIneligibility is not automatic.