Maintaining records of the event results (by game and match) for a minimum period of 3 months for the purpose of appeals. See 413 for more information on appeals.
§ 204.3.g Tournament Rules PDF (officieel)
§ 204 Competition Roles: Every attendee at a competition has at least one of the following roles.
§ 204.3 Competition Organizer (CO): The CO is responsible for all competition logistics, including: