World Rowing Cup regattas shall be open to all competitors who are authorized to compete by their member federation and who are eligible under the relevant rules. To represent a country in a World Rowing Championship, a competitor shall be a citizen of that country. He or 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. Each member federation may enter up to four crews in each event of the 1st World Rowing Cup regatta and a maximum of two crews in each event of the 2nd and 3rd World Rowing Cup regattas.