||Participation 51 nations (except for host country Portugal)
It divides into ten groups, the league match of a home & away
system is held, and it is each group. The team of the 1st place acquires
the right of participation of this convention. Furthermore, each group
The play-off of a home & away system is performed in the teams
of the 2nd place, and the team which won advances to this convention.
This convention is held by 16 nations (each 1st place group [ 10 team
] + play-off victory 5-team + host country Portugal).