A player only can be registrated in one team.
Is allowed to use a player from a younger age group in the age group immediately above.
The age groups are:
Group A - Boys - Born in 2000 and 2001
Group B - Boys - Born in 2002 and 2003
Group C - Boys - Born in 2004 and 2005
Group D - Boys - Born in 2006 and 2007
Group E - Girls - Born in 1999 e 2000
All players must be able to present a valid identification card at the request of the Tournament Management (preferably with a photo, for instance a passport).