Quarantine with a disinfecting stove, have a right to navigate the Canal, in quarantine, subject only to the landing of those who were suffering from plague. Plain yellow, green, and even black flags have been used to symbolize disease in both ships and ports, with the color yellow having a longer historical precedent, as a color of marking for houses of infection, previous to its use as a maritime marking color for disease. The present flag used for the purpose is the "Lima" (L) flag, which is a mixture of yellow and black flags previously used. It is sometimes called the
Flag of Norway Norwegian government's web pages. However, Norwegian flag producers consider this red colour to be incorrect, and have complained that the Norwegian state propagates what they perceive as misinformation. Norwegian authorities have clarified that the red colour is only an internal recommendation intended specifically for screen printing, and not a legal definition. Flag producers normally use the red colours 186 or 200. The Nordic Council currently defines the red colour as "Pantone 186 C" and the blue as "Pantone 287", according to the Nordic Flag Society Four years ago the same website mentioned the blue colour as "Pantone 301". On page