The Springboks play their three remaining Tri-Nations matches in South Africa -- the All Blacks in Cape Town on August 16 and then back-to back-matches against the Wallabies on August 23 in Durban and August 30 in Johannesburg.
Murali will be available for Lancashire until mid-July when he will head home to play a Test series against the West Indies, closely followed by a tri-series which will also include India.