28 (b) any material subject to copyright contained in an audiovisual work produced solely for the purposes of systematic instruction. (4) Where copies of a work— (a) in printed or analogous form; or (b) in audiovisual have not been made available to the public in Zambia for a period of— (i) three years, in the case of works of the natural and physical sciences, mathematics or technology; (ii) seven years, in the case of works of fiction, poetry, drama or music or art books; or (iii) five years, in any other case; the Registrar may, on the application of a Zambian citizen or a company incorporated in Zambia, grant the person the right to reproduce and distribute in Zambia copies of the work. Application of Act to works, etc. originating in other countries 56. The regulations may extend the provisions of this Act, or specified provisions thereof, to works originating, or performances given, in another country provided that that country is a party to a relevant convention or treaty relating to copyright or other rights established by this Act to which Zambia is also a party. Regulations 57.—(1) The Minister may, by statutory instrument, make regulations for or with respect to any matter that by this Act is required or permitted to be prescribed, or that is necessary or convenient to be prescribed for carrying out or giving effect to this Act. (2) Without limiting the generality of subsection (1), such regulations may be made on— (a) the administration of moral rights; (b) the administration of authorisations under section 55; (c) the form and content of any application or other document required for the purposes of this Act; and (d) the payment of fees and charges in respect of any matter or anything done or supplied under this Act. Transitional provisions 58.—(1) No act done before the commencement of this Act shall constitute an infringement of copyright conferred by this Act or an offence against this Act. (2) No act done before the commencement of this Act shall constitute an infringement of the rights conferred by section 24 (moral rights). (3) Performer’s right and recording right shall not subsist in any performance that took place before the commencement of this Act.