It might be a good idea to include the link to the law passed for the Argentinian DST change "Ley 26.350", published on page 10 of the "Boletín Oficial de la República Argentina" # 31.312 (Dec 28, 2007) http://www.boletinoficial.gov.ar/Bora.Portal/CustomControls/PdfContent.aspx?fp=28122007&pi=10&pf=10&s=0&sec=01