Paper size impossible to encounter ISO standard papers in day-to-day uses, with "Carta" (Letter), "Oficio" (Government-Legal) and "Doble carta" (Ledger/Tabloid) being nearly universal. In Canada, US paper sizes are a de facto standard. The government, however, also uses ISO paper sizes. There is an additional paper size, , to which the name "Government-Letter" was given by the IEEE Printer Working Group (PWG). It was prescribed by Herbert Hoover when he was Secretary of Commerce to be used for US government forms, apparently to enable discounts from the purchase of paper for schools, but more likely due to the standard use of trimming
National security letter individuals with whom the subject of the investigation had communicated. According to a September 9, 2007, "New York Times" report, In many cases, the target of a[n FBI] national security letter whose records are being sought is not necessarily the actual subject of a terrorism investigation. Under the USA PATRIOT Act, the FBI must assert only that the records gathered through the letter are considered relevant to a terrorism [or counterintelligence] investigation. In April 2008, the American Civil Liberties Union alleged that the military was using the FBI to skirt legal restrictions on domestic surveillance to obtain private records of