7.3.6  If the DCO  gives approval for the Athlete to leave the Doping Control Station , the DCO  shall agree with the Athlete on the following conditions  of leave:  a) The purpose of the Athlete leaving the Doping Control Station ; the time of return (or return upon completion of an agreed activity);  b) That the Athlete must remain under continuous observation throughout;  c) That the Athlete shall not pass urine until they arrive back at the Doping Control Station;  and d) The DCO  shall document the time of the Athlete’s departure and return.