(c) where a person, or his employee acting in the course of his employment, makes a design for another person in terms of an agreement, such other person; or (d) where the ownership in the design has passed to any other person, such other person; “register” means the register of designs kept at the designs office in terms of section 7; “registered proprietor” means the person whose name is for the time being entered in the register as the proprietor of the design; “registrar” means the registrar of designs appointed or deemed to have been appointed under section 6; “regulation” means any regulation made under this Act; “release date”, in relation to a design, means the date on which the design was first made available to the public (whether in the Republic or elsewhere) with the consent of the proprietor or any predecessor in title; “series of mask works” means a related group of mask works which together represent the three-dimensional disposition of the electrical, electromagnetic or optical elements and circuitry of an integrated circuit; “the repealed Act” means the Designs Act, 1967 (Act No. 57 of 1967); “this Act” includes the regulations. (2) Any reference in this Act to an article shall be deemed, according to the context, to be a reference to— (a) a set of articles; or (b) each article which forms part of the set of articles; or (c) both a set of articles and each article which forms part of that set. (3) For the purposes of this Act, a “set of articles” means a number of articles of the same general character which are ordinarily on sale together or intended to be used together, and in respect of which the same design, or the same design with modifications or variations not sufficient to alter the character of the articles or substantially affect the identity thereof, is applied to each separate article: Provided that a series of mask works shall not be a set of articles. (4) Any question arising under this Act as to whether a number of articles constitute a set of articles shall be determined by the registrar. 2. Application of Act. (1) The provisions of this Act shall apply in respect of all registered designs, whether registered before or after the date of commencement of this Act: Provided that a design registered pursuant to an application made before such commencement shall not be