72 (e) any other means necessary for the effective presentation of the national estate. (2) Where a heritage resource which is formally protected in terms of Part 1 of this Chapter is to be presented, the person wishing to undertake such presentation must, at least 60 days prior to the institution of interpretive measures or manufacture of associated material, consult with the heritage resources authority which is responsible 5 for the protection of such heritage resource regarding the contents of interpretive material or programmes. (3) A person may only erect a plaque or other permanent display or structure associated with such presentation in the vicinity of a place protected in terms of this Act in consultation with the heritage resources authority responsible for the protection of the 10 place. Compulsory repair order 45. (1) When the heritage resources authority responsible for the protection of a heritage site considers that such site— (a) has been allowed to fall into disrepair for the purpose of— (i) effecting or enabling its destruction or demolition; (ii) enabling the development of the designated land; or (iii) enabling the development of any land adjoining the designated land; or (b) is neglected to such an extent that it will lose its potential for conservation, the heritage resources authority may serve on the owner an order to repair or maintain such site, to the satisfaction of the heritage resources authority, within a reasonable period of time as specified in the order: Provided that the heritage resources authority must specify only such work as, in its opinion, is necessary to prevent any further deterioration in the condition of the place. (2) Subject to subsection (3), upon failure of the owner to comply with the terms of an order under subsection (1) within the specified time, the authority which served the order may itself take such steps as may be necessary for the repair or maintenance thereof and recover the costs from the owner. (3) If the owner can show good cause, he or she may, within 21 days of the service of a repair order under subsection (1)— (a) apply to the heritage resources authority which served the repair order for the extension of the time specified in the order; or (b) appeal to the Minister, in the manner prescribed under section 49. 15 20 25 30 Expropriation 46. (1) The Minister may, on the advice of SAHRA and after consultation with the 35 Minister of Finance, purchase or, subject to compensation, expropriate any property for conservation or any other purpose under this Act if that purpose is a public purpose or is in the public interest. (2) The Expropriation Act, 1975 (Act No. 63 of 1975), applies to all expropriations under this Act, and any reference to the Minister of Public Works in that Act must be 40 read as a reference to the Minister for the purposes of such expropriation. (3) Notwithstanding the provisions of subsection (2), the amount of compensation and the time and manner of payment must be determined in accordance with section 25(3) of the Constitution, and the owner of the property in question must be given a hearing before any property is expropriated. 45 General policy 47. (1) SAHRA and a provincial heritage resources authority— (a) must, within three years after the commencement of this Act, adopt statements of general policy for the management of all heritage resources owned or 50 controlled by it or vested in it; and (b) may from time to time amend such statements so that they are adapted to changing circumstances or in accordance with increased knowledge; and (c) must review any such statement within 10 years after its adoption. (2) Each heritage resources authority must adopt for any place which is protected in terms of this Act and is owned or controlled by it or vested in it, a plan for the 55 management of such place in accordance with the best environmental, heritage