Reglamento de la Ley de Asociaciones Público Privadas del 5 de noviembre de 2012 (Spanish) - Regulation for the Law on Public-Private Partnerships of 5 November 2012. 

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Ley de las Asociaciones Público Privadas 

PPP Act 42/2012 of 7 Septembre 2012 - Decreto-Lei No. 42/2012 de 7 de Setembro "Regime Jurídico das Parcerias Público Privada" (Portuguese). This Act establishes the legal framework for agreements between the State and private entities regarding PPP projects. 

Decreto Ley 1467 de las Asociaciones Público-Privadas (Decree 1467) of 6 July 2012 as modified by Decreto Ley 0100 (Decree 0100) of 25 January 2013. 

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Ley de Asociaciones Público Privadas del 16 de enero de 2012 - reformado 14 julio 2014 (Spanish)  (Law on Public-Private Partnerships of 16 January 2012 as revised 14 July 2014)

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The global telecommunications sector has been transformed over the past decade by privatization, liberalization, technological change, and growth in demand. These trends have contributed to economic growth and improved sector governance, but they also have produced an increasing number and variety of disputes that call for faster, more cost-effective and better resolution.

Ref: ITU_WB_Dispute_Res_E