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30. ENVIRONMENTThe company has not made any disbursements for environmental regulations.31. RESEARCH AND DEVELOPMENTThe Group companies have not undertaken any activities of this nature during the periods covered by the financial statements considered in this report.However the parent company maintains a valid contract with the principal public agency responsible for the promotion of innovation (Corfo Innova Chile Committee)to promote business innovation, innovative entrepreneurship, technology diffusion and transfer, and public innovation. The expenses incurred to this date in thecontext of this initiative do not yet qualify as research and development expenditure as such.In the context of this contract a modern Innovation Center was launched at the end of 2010, focusing on the creation of high-tech projects with the joint participationof customers and technology partners.32. SANCTIONSThe Group companies and their directors and managers have not been subject to sanctions of any nature by the Chilean Securities and Insurance Supervisor or anyother regulatory authorities.20733. SUBSEQUENT EVENTSOn January 9, 2012, the unilateral retraction of the controller of GTD Teleductos S.A. to merge the company with Entel S.A. was acknowledged in line with the Memorandumof Intent signed on November 28, 2011.Report 2011Between January 1, 2012 and the date on which these financial statements are published, no subsequent events have occurred that could significantly affect thevalues contained therein.