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 by cantonal officials on the grounds that all Romansh speakers are perfectly bilingual and able to understand and speak German. Up until the 1980s it was usually seen as a provocation when a deputy in the cantonal parliament used Romansh during a speech. Cantonal law leaves it to the districts and municipalities to specify their own language of administration and schooling. According to Article 3 of the cantonal constitution however, the municipalities are to "take into consideration the traditional linguistic composition and respect the autochthonous linguistic minorities". This means that the language area of Romansh has never officially been defined,