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 a limited manner regardless. In general, Romansh is the dominant language in most of the Surselva. In the western areas, the Cadi and the Lumnezia, it is the language of a vast majority, with around 80% naming it as their language of best command, and it often being a daily language for virtually the entire population. In the eastern areas of the Gruob around Ilanz, German is significantly more dominant in daily life, though most people still use Romansh regularly. Romansh is still acquired by most children in the Cadi and Gruob even in villages where Romansh speakers are in