20 Intellectual Property Act, No. 36 of 2003 (ii) is a re-broadcasting, made or authorized by the organisation initially broadcasting the performance or substantial part thereof ; (b) the fixation of his unfixed performance or substantial part thereof ; (c) the reproduction of a fixation of his performance or substantial part thereof. (2) Once the performer has authorized the incorporation of his performance in a audiovisual fixation, the provisions of subsection (1) shall have no further application. (3) Nothing in this section shall be construed to deprive performers of the right to enter into contracts in respect of their performances on terms and conditions more favourable to them. (4) The rights under this section shall be protected from the moment the performance takes place until the end of the fiftieth calendar year following the year in which the performance takes place. Rights of producers of sound recordings. 18. (1) Subject to the provisions of section 21, a producer of a sound recording shall have the exclusive right to carry out or to authorise any of the following acts :— (a) the direct or indirect reproduction of the sound recording or substantial part thereof ; (b) the importation of copies of the sound recording or a substantial part thereof even where such imported copies were made with the authorisation of the producer ; (c) the adaptation or other transformation of the sound recording or a substantial part thereof ; (d) the rental of a copy of the sound recording or a substantial part thereof, irrespective of the ownership of the copy rented ;