(a) The President of the Republic submitted the following letter dated 29 April 2009 to the Chairperson of the National Council of Provinces, informing Members of the Council of the employment of the SA National Defence Force for service in co-operation with the South African Police Service in the prevention and combating of crime and maintenance and preservation of law and order within the Republic of South Africa, along the RSA/Zimbabwe international border, to perform borderline control duties: