Limitations on exclusive copyright are set forth in Articles 10 and 36 of Law No. 11.723, which provide for the right to quote, solely for educational or scientific purposes, commentaries, reviews or notes relating to intellectual works; the right to perform works already published, at public functions organized free of charge by teaching establishments for educational purposes; and the performance, free of charge, of musical works by orchestras, bands, fanfares and choirs belonging to national, provincial or municipal institutions.