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
Distributed ledger technology law Distributed ledger technology law Distributed ledger technology law ("DLT law") (also called Blockchain law. or Lex Cryptographia) is not yet defined and recognized but an emerging field of law due to the recent dissemination of distributed ledger technology application in business and governance environment. Ubiquitous dissemination of information technology and the Internet led to a discussion of two opposite legal theories of the regulation of cyberspace. According to The Law of the Horse theory proposed by Frank H. Easterbrook, general principles of law governing property, transactions and torts apply to any relationship whether in case of the horse or cyberspace