Foreign teams Passport 2 passport pictures Responsive letter, 1 per player Commitment letter, 1 per team Mexican teams Passport or Certificate of Birth (original) Present ID 2 portrait pictures Responsive letter, 1 per player Commitment letter, 1 per team Without these documents, one won't be able to participate in Cancún Soccer Cup 2010 Alone one will be able to play with credentials sent by the tournament.