Romansh language the most comprehensive collection of Romansh words, which can also be used in the idioms with the necessary phonetic shifts. The signatories of "Pro Rumantsch" stress that Romansh needs both the idioms and Rumantsch Grischun if it is to improve its chances in today's communication society. In Switzerland, official language use is governed by the "territorial principle": Cantonal law determines which of the four national languages enjoys official status in which part of the territory. Only the federal administration is officially quadrilingual. Romansh is an official language at the federal level, one of the three official languages of the Canton
Romansh language languages. In the Upper Engadine, it is used habitually by 30.8% and the language of best command for 13%, with only S-chanf having a Romansh majority. Even though the main every-day and family language is German, Romansh is not in imminent danger of disappearing in the Upper Engadine, due to the strong emotional attachment to the language and in particular the Romansh-language school, which means that a Romansh-speaking core always exists in some form. Romansh is often a sign of being one of the locals, and used to distinguish oneself from tourists or temporary residents, so that outsiders will sometimes