According to article 1.3.059 every rider competing in a BMX world championship (Championship, Challenge and Masters level) and at the continental championships (Championship level) must wear a national BMX jersey matching the jerseys of his fellow-countrymen.  The only variation allowed shall be advertising on the jersey. The national jersey must be worn whenever a rider is engaged in activities on the track, prize giving ceremonies, press conferences, television interviews, autograph sessions and other occasions during the event, which require a good presentation to the media and the outside world.