However, this part of the result was not authorized by Congress and the U.S. selling price was not abolished until Congress passed the results of the Tokyo Round. The results in agriculture as a whole have been poor. The most notable achievement was the agreement on a Memorandum of Understanding on the basic elements for the arrangement of global subsidies, which was eventually incorporated into a new international agreement on cereals. This annex lists multilateral environmental agreements (with the exception of cultural and military agreements) that contain trade provisions from mid-1991. The date, next to the title of the agreement, is the date on which it was signed. However, there are significant differences that make commercial disputes over health and safety standards more likely and intense than disputes over measures to combat consumer pollution. These include the insecurity inherent in consumer perception and psychology, the subjectivity of many standards arising from the vagueness of their scientific basis, differences between countries in their attitudes towards risk, and the pronounced feeling of national sovereignty over health and safety issues. This has never been clearer than in the long-running dispute between the United States and the European Communities over the use of growth hormones in beef production.
It is precisely because of these inevitable differences of opinion between countries on the scientific or other relevance of non-discriminatory trade restrictions imposed on security and health grounds that it is important to have both multilateral disciplines and an important dispute resolution mechanism.  Among the original GATT members, Syria, Lebanon and the SFR-Yugoslavia have not re-joined the WTO. Given that Yugoslavia (renamed in Serbia and Montenegro and later two shared accession negotiations) is not recognised as a direct successor to the SFRY; Therefore, its application is considered new (non-GATT). On 4 May 2010, the WTO General Council decided to set up a working group to review Syria`s application for WTO membership.   The WTO parties terminated the 1947 GATT formal agreement on 31 December 1995. Montenegro became a member in 2012, while Serbia is in the decision-making phase and is expected to become a member of the WTO in the future. 31 It is sometimes argued that a blanket ban on crude timber exports would allow producing countries to achieve a target level of foreign exchange earnings at a lower resource cost, as this would stimulate the domestic processing industry and thus increase the domestic value added associated with a certain level of timber export.