Portuguese Language Orthographic Agreement, signed in Lisbon in 1990, establishes a single official orthography for the Portuguese language used by all the countries that have Portuguese as their official languageas of 1 January 2012.
Council of Ministers resolution No. 8 / 2011, Official Gazette No. 17, of 25/01/2011 determined the application of the Portuguese Language Orthographic Agreement in the education system for the academic year 2011/2012 and its applicability in the Government and all governmental services and agencies as of 1 January 2012.
For all the information on the Agreement, visit the portal of the Portuguese language http://portaldalinguaportuguesa.org/