of law applicable to matrimonial regimes only if acquired during the marriage; the same shall apply to savings made on such account. The provisions laid down in the preceding paragraph shall not apply if the marriage was contracted prior to the entry into force of this Law. The legislative measures concerning the contribution of the spouses to the costs of the household shall apply to the monetary proceeds of exploiting the copyright. CHAPTER IV – LIMITATION OF ECONOMIC RIGHTS Article 21: Where a work has been legally disclosed, the author may not prohibit: - private and gratuitous performances held exclusively within the family circle; copies or reproductions reserved strictly for the private use of the copier and not intended for collective use, with the exception of:    - copies of the works of art or architecture to be used for purposes identical to those for which the original work was created; the total or substantial reproduction of databases; the reproduction of computer programs subject to the provisions under Article 23 below; the import of a copy of a work by a natural person for personal ends; parody, pastiche or caricature subject to the laws of the genre. Article 22: Where a work has been legally disclosed, the author may not prohibit, on condition that the author’s name and the source are clearly indicated: - - analyses and short quotations justified by the critical, polemic, educational, scientific or informative nature of the work in which they are incorporated; press reviews; reproduction and dissemination, even in its entirety, through the press or by telecast as: news; news articles on politics, society, economics or religion; speeches intended for the public made in political, administrative, judicial or academic gatherings; sermons; lectures; addresses or other works of the same nature. the use of literary or artistic works as teaching examples by means of publication, broadcasting or audio or visual recordings, on the condition that such use is not abusive and is devoid of any commercial purpose. Article 23: In derogation of the author’s rights, the owner of a copy of a computer program may, without authorization from the author and without payment of a separate fee, produce a copy or adaptation of this program, provided that this copy or adaptation is: - required for the use of the computer program for the purposes for which the program has been obtained;