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
Unified ledger accounting onto the purchase ledger, wait five minutes, the software creates an additional line in the general ledger, wait five minutes, the control account value is updated as so on. This may not seem appropriate today, however, there are occasions when systems shut down in the middle of one of these processes, and that is when you get an accounting system that is out of balance. "A Unified Ledger accounting system can never be out of balance." (That is on the presumption that proper Database Transaction Controls are in place, and the ″three initial lines″ referred to above are always written