4. The obligations of the parties are binding only to the extent that they are compatible with existing international agreements. Each party informs the other party of all trade agreements with the German territories in which the Basic Law is not applicable to the Federal Republic of Germany, as well as the terms of application. Each party ensures that the implementation of these agreements is not contrary to the principles of the association and takes appropriate measures to prevent the other party`s economy from being affected. To this end, each party communicates, at the request of the other party, any useful information regarding the agreements it has entered into and which contain customs or trade provisions, as well as the changes it makes to its external trade agreements. 5. The measures in this article do not affect the rights and obligations arising from bilateral agreements between Turkey and the Member States of the Community, as these agreements provide for regimes more favourable to Turkish nationals. 3. The contracting parties undertake not to limit, without the prior approval of the Association Council, the provisions they apply for transfers related to invisible transactions contained in Annex III of the Treaty establishing the Community. 1. In order to facilitate the importation of certain products from countries with which Turkey has bilateral trade agreements, Turkey may, with prior approval of the Association Council, grant tariff quotas at reduced or zero rates if the functioning of these agreements is seriously affected by the implementation of this protocol or by the measures taken under this Protocol. Where such agreements or amendments may have a direct and specific impact on the functioning of the association, appropriate consultation is held within the association council to take into account the interests of the parties.