Act 3 Industrial Property Act 2014 (a) require payment of a price, royalty or other consideration which is disproportionate to the value of the technology to which the licence contract relates; (b) require the licensee to acquire any materials from the licensor or from sources designated or approved by him or her, unless it is practically impossible to ensure the quality of the products to be produced; (c) prohibit the licensee from acquiring, or to restrict his or her acquisition of any materials from any source, unless it is practically impossible to ensure that quality of the products to be produced; (d) prohibit the licensee from using, or to restrict his or her use of any materials which are not supplied by the licensor or by sources designated or approved by him or her, unless it is practically impossible to ensure the quality of the products to be produced; (e) require the licensee to sell products produced by him or her under the contract exclusively or principally to persons designated by the licensor; (f) limit the volume of the products produced by the licensee with the help of the technology to which the licence contract relates; (g) oblige the licensee to employ persons designated by the licensor and not needed for the efficient transfer of the technology to which the contract relates except that where the contract provides for the employment of persons who are needed for the transfer of technology to which the contract relates, the contract shall provide for the training of persons to replace them within a reasonable period; 49