The 1980 Lisbon Agreement did not provide an immediate solution to the problems posed by the blockade of Gibraltar imposed by Francisco Franco in 1969. The border was not reopened as planned and London and Madrid were still at odds over the interpretation of the agreement. Spain`s accession to NATO and the EEC kicked off the deadlock that finally broke the deadlock in 1984.  The two governments have agreed on the re-establishment of direct communication in the region. The Spanish government has decided to suspend the implementation of the measures currently in force. The Lisbon Agreement was the first in a series of agreements between the British government and the Spanish government to settle their differences over Gibraltar. 73.The process of Spain`s accession to the European Community in the 1980s led to new efforts to normalise relations between the United Kingdom and Spain and to make progress in discussions on the status of Gibraltar. An agreement signed in Brussels in 1984 provided for: 86 James Badcock, “The Spanish Foreign Minister has promised to plant his flag on Gibraltar” The Telegraph (6 October 2016): www.telegraph.co.uk/news/2016/10/06/spains-foreign-minister-vows-to-plant-his-flag-on-gibraltar/ [recalled on 20 February 2017] 2020 is the last year in which the UK would contribute to the EU budget, provided the UK withdraws from the EU and a withdrawal agreement is adopted by Parliament. This is also the year when the current EU budget comes to an end (usually in seven-year blocks, and the rules around them have been changed by the Lisbon Treaty – but no specific amounts to be paid). 83.MEP Ashley Fox stressed that the withdrawal agreement concluded under Article 50 of the TUE should only be approved by the Council of the EU by qualified majority in order to allay fears of a Spanish veto. However, any future trade agreement between the UK and the EU would need unanimous support and suggested that “a Spanish government can be expected to enforce its veto if it rightly vetoes… Gibraltar 94 75.In 2004, the foreign ministers of the United Kingdom and Spain and the Prime Minister of Gibraltar have set up a new trilateral (or tripartite) forum, in which Gibraltar participates on an equal footing with the United Kingdom and Spain.
In 2006, a meeting of the Forum in Cordoba resulted in agreements on a number of areas, including: the Brussels Agreement was concluded in November 1984 and implemented in February 1985.  Spain`s application to join the EEC proved to be a key factor, as Britain linked Spain`s accession to the opening of the border with Gibraltar and was threatened with another veto.  The Brussels agreement clarified and reactivated the old Lisbon Treaty, which was subject to a wide variety of interpretations, complicated Anglo-Spanish relations and delayed the full opening of the border.  Under the agreement, the United Kingdom and Spain would discuss Gibraltar and the British were ready to negotiate sovereignty.  The agreement was signed by Sir Geoffrey Howe, Minister of Foreign Affairs of the United States, and Spanish Foreign Minister Fernando Morén Leepez.  This is not included in the Lisbon Treaty or other EU agreements.