Tibetan is used in hearing the cases involving Tibetan people, and the written Tibetan language is used for legal papers, said a white paper issued by the Information Office of the State Council on Thursday.

Since the establishment of the Tibet Autonomous Region in 1965,both Tibetan and Chinese have been used for resolutions, laws and regulations adopted by the people's congresses at all levels, and official documents and public notices of people's governments and subordinate departments at all levels, said the white paper titled "Protection and Development of Tibetan Culture".

Both Tibetan and Chinese are used for official seals, credentials, forms, envelopes, letter paper, writing paper and signs of all entities; logos of government departments, factories and mines, schools, bus and train stations, airports, shops, hotels, restaurants, cinemas, tourist attractions, sports venues and libraries; as well as signs for streets and traffic, the white paper said.