Romansh language published in 1703, though either the Catholic variety of Sursilvan or Putèr was more commonly used there until the 20th century. In the 16th century, the language border between Romansh and German largely stabilized, and it remained almost unchanged until the late 19th century. During this period, only isolated areas became German-speaking, mainly a few villages around Thusis and the village of Samnaun. In the case of Samnaun, the inhabitants adopted the Bavarian dialect of neighboring Tyrol, making Samnaun the only municipality of Switzerland where a Bavarian dialect is spoken. The Vinschgau in South Tyrol was still Romansh-speaking in the
Romansh language means that any citizen of the canton may request service and official documents such as ballots in their language of choice, that all three languages may be used in court, and that a member of the cantonal parliament is free to use any of the three languages. Since 1991, all official texts of the cantonal parliament must be translated into Romansh and offices of the cantonal government must include signage in all three languages. In practice, the role of Romansh within the cantonal administration is limited and often symbolic and the working language is mainly German. This is usually justified