ABP Operating Guidelines  – Version 9.0 – July 2023  Page 63/91 C.3 Review by Three (3) Experts  C.3.1 In the event that the opinion of the appointed Expert  in the initial review, pending other explanation to be provided at a later stage, is that of “Likely doping”, the Passport  shall then be sent by the Athlete Passport Management Unit  to two (2) additional  Experts  for review.