With reference to the Minister of Arts and Culture’s reply to Question 528 on 27 March 2017, (a) by what date will the Government proclaim the Vredefort Dome as a heritage site in accordance with the proclamation of the United Nations Educational, Scientific and Cultural Organisation on 14 July 2005 that the specified site is the country’s seventh world heritage site; and (b) what are the reasons for the Government’s delay in proclaiming the site a heritage site?