Following a two-day meeting of the International Cricket Council (ICC) in Auckland president Ehsan Mani said on Wednesday teams were expected to meet their tour obligations.
An ICC statement said under a Future Tours Program Agreement countries could withdraw from tours without punishment for safety or security concerns or when directed by their government not to tour.
The England and Wales Cricket Board (ECB) is considering whether to pull out of the tour in protest against the policies of Zimbabwe president Robert Mugabe.
