 To do so, they had to have Section 10 rights, based on whether 


The Black (Natives) Laws Amendment Act of 1952 amended the 1945 Native Urban Areas Consolidation Act, stipulating that all black people over the age of 16 were required to carry passes, and that no black person could stay in an urban area more than 72 hours unless allowed to by Section 10.The Natives (Abolition of Passes and Co-ordination of Documents) Act of 1952, commonly known as the Pass Laws Act, repealed the many regional pass laws and instituted one nationwide pass law, which made it compulsory for all black South Africans over the age of 16 to carry the "passbook" at all times within white areas.The law stipulated where, when, and for how long a person could remain.