On 03 July 2002, Brazil and Mexico signed the Agreement of Economic Complementation No. 53 (ECA Nº 53). Two days later, Mexico and the MERCOSUR member countries - of which Brazil is part -signed the Agreement on Economic Complementation Nº 54 (ECA Nº 54) with the aim of creating a free trade area.

Eight years after the signing of the Agreement, on 10 May 2010, in Mexico City, both countries met to discuss the deepening of ECA Nº 53. On May 12^th of the same year, Brazil and Mexico announced the preparation of a Strategic Agreement for Economic Integration.

On 08 November 2010, Brazil and Mexico announced the official beginning of the negotiation process for a Strategic Economic Integration Agreement.

Documents relating to the negotiations
08 November 2010	Brazil and Mexico announced the official beginning of the negotiation process for a Strategic Economic Integration Agreement
13 May 2010	Brazil and Mexico meet to discuss the launch of a Strategic Economic Integration Agreement
12 May 2010	Press Communiqué Mexico-Brazil in reference to the preparation of a Strategic Economic Integration Agreement
10 May 2010	Brazil and Mexico discuss to deepen ECA Nº 53
February 2004	Brazil and Mexico negotiate expansion of bilateral agreement
Sources: Ministério das Relações Exteriores, Brasil; Ministério do Desenvolvimento, Indústria e Comércio Exterior, Brasil; Secretaría de Economía de México

The Mexico-Brazil Agreement of Economic Complementation was deposited with the ALADI as ECA N^o 53 and entered into force on 02 May 2003.

Three additional protocols to the agreement have been issued.

• Ministério das Relações Exteriores, Brasil
• Ministério do Desenvolvimento, Indústria e Comércio Exterior, Brasil
• Secretaría de Economía de Mexico
• Secretaría General de la Asociación Latinoamericana de Integración (ALADI)
• Senado de la República de México