Investigation Process

Complaint screening

All complaints received by OAI are screened against four criteria during the screening process. OAI considers whether or not the complaints are

  • within OAI’s mandate - relate to activities that OAI is authorized to investigate
  • credible - there is a reasonable possibility that a violation has occurred
  • verifiable - practicable options exist to obtain sufficient evidence to determine the truth of the allegations on the balance of probabilities
  • material - the matter is of sufficient importance to justify the projected requirements of the investigation and any remedial action

Complaints that meet all four criteria are converted into investigations.


OAI's Integrity Principles and Guidelines require that its investigative findings are presented to subjects of an investigation whenever possible. Subjects may prepare an explanation of the facts and circumstances from their perspective and in their own words. This explanation is presented toADB's Integrity Oversight Committee (IOC) for consideration. As the investigation process is administrative in nature, ADB's procedures do not provide for personal appearances or representations at IOC meetings.

The IOC has sole discretion to assess whether an alleged violation has taken place, and if so, will determine the appropriate remedial actions orsanctions.