What is the rule for naming squads for the Cricket World Cup 2011?

Question

I know ICC has rules for everything relating to cricket and it must have a rule for squads as well. Does anyone know What is the rule for naming squads for the Cricket World Cup 2011?

Answer 1

Each country, before selecting their final squads chose a 30-member preliminary squad for the tournament which then would be cut down to 15. All 14 teams announced their final squad before 19th Jan, 2011.