Flag of Latvia the end of the occasion. If the flag is flown from a flagpole in mourning, it shall be raised to half-staff. If fixed to a flagstaff, a black ribbon whose width is the width of the flag shall be secured to the flagstaff above the flag; the ribbon shall be of sufficient length to span the width of the flag. The Standard of the President is white with the rectangular cross in the colour proportions of the national flag. In the centre of the cross covering the interruption of the colours of the national flag there is the Coat of
Flag of Switzerland squares until 1889, when its dimensions were officially set. The civil and state ensign of Switzerland, used by Swiss ships, boats and non-governmental bodies, is rectangular in shape and has the more common proportions of 3:2. The Swiss flag is one of only two square sovereign-state flags, the other being the flag of Vatican City. The emblem of the Red Cross is the Swiss flag with switched colours. According to the 2017 flag law (SR 232.21), "The Swiss flag shows a Swiss cross on a square background". Special provisions are made for the naval ensign and for civil aircraft identification.