Quarantine "yellow jack" but this was also a name for yellow fever, which probably derives its common name from the flag, not the color of the victims (cholera ships also used a yellow flag). The plain yellow flag ("Quebec" or Q in international maritime signal flags) probably derives its letter symbol for its initial use in "quarantine", but this flag in modern times indicates the opposite—a ship that declares itself free of quarantinable disease, and requests boarding and routine port inspection. Australia has perhaps the world's strictest quarantine standards. Quarantine in northern Australia is important because of its proximity to South-east
Flag of Venezuela indigenous people and a machete to represent the labor of workers. Although the new flag was approved by the Venezuelan government, opposition spokesperson Óscar Pérez stated that they would not use the new flag. As with most other national flags, the Venezuelan flag should be flown every day by the legally registered public institutions from 7 a.m. until 6 p.m. Private institutions, businesses and citizens should fly the flag on national holidays or on days determined by the National Executive. Institutions which should fly the flag by obligation are: There is currently no regulation as to the dimensions of the