accordance with the laws applying to the application for registration of that trade mark as at the date of that application. (3) (a) the Registrar of Trade Marks shall carry out the functions and duties of the registrars appointed under those Acts; and (b) any notices and other communications required to be inserted or published in a patent journal or other official publications may be inserted or published in the South African Patent Journal. (4) A trade mark registered under the South African Act shall not apply to the geographical area of Bophuthatswana, Transkei or Venda for so long as and to the extent that a valid registered trade mark right for the same trade mark continues to subsist in any such geographical area, but shall extend to each such geographical area if and when such valid right no longer subsists. (5) (a) A proprietor of a trade mark registered in Bophuthatswana, Transkei or Venda, respectively, may, within one year after the coming into force of this Act, notify the Registrar of Trade Marks in writing that he or she wishes his or her trade mark to extend to the whole of the national territory of the Republic, subject to paragraph (b). (b) Once such a notification has been made such a trade mark shall continue to apply only to the geographical areas of Bophuthatswana, Transkei or Venda, as the case may be, for as long as and to the extent that a valid registered trade mark right for the same trade mark subsists in terms of the South African Act, but, subject to paragraph (a), such trade mark right shall extend to the whole of the national territory if and when such right in terms of the South African Act does not exist. (6) 12. Subject to subsection (5), the repeal of laws by section 16 does not affect any applications or proceedings commenced under the Bophuthatswana Act, the Transkei Act or the Venda Act and any such applications or proceedings shall be continued with and concluded in every respect as if those laws had not been repealed, provided that- Any lawful use by any person of a trade mark commenced prior to 27 April 1994 in the geographical area of Bophuthatswana, Transkei or Venda shall not become unlawful merely by virtue of this Act having been passed, provided that the use is not extended outside the geographical area concerned. Trade mark registers and records The Registers of Trade Marks and records shall be transferred to and kept in the office of the Registrar of Trade Marks. 13 Identification of trade marks