Singapore is a party to the Berne Convention, the WIPO Copyright Treaty, the WIPO Performances and Phonograms Treaty and the Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS). If the law of a third country does not give adequate protection to Singapore works, or does not give adequate protection in relation to a class or classes of such works, the Minister may rule that copyright does not subsist in works if the authors were or are citizens, nationals or bodies incorporated under the law of a country specified in those regulations. 