Paza language

Paza (Phusang, Phosang, Phousang, Basar, Bazar, (Pusa?); autonym: "") is a Loloish language of northern Laos. Paza speakers consist of 2,100 people distributed in 8 villages of Ban Phusang Mai, Muang Samphan, Phongsaly, and 1 village in Oudomxay. It is documented as "Phusang" in Kato (2008), which has a brief word list of the language collected from Phusangkao village, Samphan District.
Further reading.
Schliesinger, Joachim. 2003. Ethnic Groups of Laos. vol. 4. Sino-Tibetan-Speaking Peoples. White Lotus Press. Bangkok. (see pages 134-19).