July 29 (Reuters) - Asciano Ltd AIO.AX :
* Asciano scheme becomes effective AIO.AX
* Asciano announces favourable ato rulings on special dividend and that scheme of arrangement has become effective
* Announces favourable ato rulings on special dividend and that scheme of arrangement has become effective
* Says "the scheme has accordingly become legally effective and will be implemented on 19 August 2016"
* Source text for Eikon ID:nASX9dz44s