In the 2015 revision
Where an athlete or other person has been sanctioned for an anti-doping rule violation other than under Articles 10.3.3 (Filing Failures and Missed Tests), 10.3.4 (Prohibited Association), 10.4 (Specified Substances), or 10.5.2 (No Significant Fault or Negligence), and Article 10.5.3 (Substantial Assistance) is not applicable, then, as an additional sanction, the athlete or other person shall be ineligible to participate in the next Summer Olympic Games and the next Winter Olympic Games taking place after the end of the period of ineligibility otherwise imposed
From :
http://www.bbc.co.uk/sport/0/olympics/18303702
Where an athlete or other person has been sanctioned for an anti-doping rule violation other than under Articles 10.3.3 (Filing Failures and Missed Tests), 10.3.4 (Prohibited Association), 10.4 (Specified Substances), or 10.5.2 (No Significant Fault or Negligence), and Article 10.5.3 (Substantial Assistance) is not applicable, then, as an additional sanction, the athlete or other person shall be ineligible to participate in the next Summer Olympic Games and the next Winter Olympic Games taking place after the end of the period of ineligibility otherwise imposed
From :
http://www.bbc.co.uk/sport/0/olympics/18303702