Rowing World Cup Regattas shall be open to all competitors who are authorised to compete by their member federation and who are eligible under the relevant rules. To represent a county in a World Rowing Championship, a competitor shall be citizen of that country, he/she must be able to prove this by showing an official document (passport or identity card). In exceptional cases, the Executive Committee may make exceptions. National Federations may enter up to two crews in each of a Rowing World Cup final regatta and no more than three crews in each event at the other Rowing World Cup regattas.