T20 World Cup: What happens if SA vs NZ semifinal is washed out?

 South Africa, unbeaten in the T20 World Cup, faces New Zealand in the first semi-final at Eden Gardens. With a reserve day in place, a washout would see South Africa advance due to their superior Super Eight performance. Sunny conditions are forecast, making a full game likely. South Africa, unbeaten in the T20 World Cup, faces New Zealand in the first semi-final at Eden Gardens. With a reserve day in place, a washout would see South Africa advance due to their superior Super Eight performance. Sunny conditions are forecast, making a full game likely.