The seventeen teams were divided into three pools of four teams and one pool of five. The top teams of each pool played-off against each other to decide which two nations progress to World Group II Play-offs. The four nations coming last played-off against each other to decide which teams are relegated to Group II for 2006.
The seven teams were divided into one pool of three teams and one pool of four. The top two teams of each pool played-off against each other to decide which two nations progress to Group I for 2007. The four nations coming third in each pool then played-off to determine which team would join the fourth-placed team from the four-team pool in being relegated down to Group III for 2007.
The eleven teams were divided into one pool of five teams and one pool of six. The top two teams of each pool played-off against each other to decide which two nations progress to Group II for 2007.