European Tournament Realm Eligibility

Only legal residents of the following countries that play on European WoW servers are allowed to participate in this tournament:

Finland
France
Germany
Spain
United Kingdom
Luxembourg
Norway
Sweden
Belgium
Russia
Italy
Switzerland

American Tournament Realm Eligibility

Region
-United States.
Except: Arizona, Connecticut, North Dakota, Maryland, and Vermont.

-Canada.
Except: The Province of Quebec.

-Australia
Except: Victoria, Queensland, or the Australian capital territory.

-New Zealand, Singapore, Thailand, Malaysia.
No Exceptions.

Tournament Dates

Qualifier Round One
Practice Starts: March 31, 2008 - 10:00 AM Pacific Time (5:00 PM GMT)
Begins: April 15, 2008
Ends: May 20, 2008 - 2:00 AM Pacific Time (9:00 AM GMT)

Qualifier Round Two
Practice Starts: June 3, 2008 - 11:00 AM PST (6:00 PM GMT)
Begins: June 17, 2008 -
Ends: July 15, 2008 - 2:00 AM PST (9:00 AM GMT)

** Top four teams of both rounds advance to regionals, players can not be on two teams **

Notable Details
-Entry Cost: $20 USD / 15€ / £12.00
-Canadians - Submitting a 250 word typewritten essay comparing the video gaming culture in Canada to the video gaming culture in the United States.
-After the two weeks practice, there is a 150 rating penalty for changing your team.
-When there are two weeks remaining, you can no longer change your lineup.
-6 Player limit per team, if your team qualifies, the remaining members must select 3 members to go to regionals. If one of the selected team members can not attend, the team can choose one of their backups to attend.
-Win-Trading results in the team being disqualified.
-UI Mods may be used during the First and Second rounds, but not the regional qualifier or finals.
-Approved Item List - [US] [EU].

More Notable Details about the Euro Tournament
-The registration fee is 15€ / £12.00 per account for each six-week online tournament
-Each team must play a minimum of 200 games per qualifier. Each player, including "bench players," must participate in at least 30% of the team's total games to be eligible to advance to the regional finals. If a team were to play the minimum of 200 games, then each player on the team would have to have played in at least 60 of those games.
-You must be over the age of 13(at least 14 years old in Spain, UK, Russia) but if you're considered a minor by local law, your parents/guardians must meet and agree to the tournament eligibility rules on your behalf, parent or legal guardian must agree to accept any prize won by a Minor. (Not play for the minor, but agree to the claim the prize money.)
-For UK residents, the parents/guardians must accompany any minor attending the tournament and pay their own travel and accommodation costs(For the PARENT/GUARDIAN, not the minor) in order to for a minor from the UK to participate in the tournament.

Source: http://www.worldofwarcraft.com/pvp/tournament/
http://www.wow-europe.com/en/info/basics/arena/tournament/rules.html