The rural municipality was established on 10 March 2017, fulfilling the requirement of the new constitution of Nepal in 2015, all old municipalities and villages (which were more than 3900 in number) were restructured into 753 new units, thus this RM came into existence.
Byans,
Rapla,
Sunsera,
Dhaulakot and
Huti village development committees were incorporated to form this new rural municipality. The headquarters of the municipality is situated at
Sunsera. subsuming the Doti Kingdom. Until 1962, Byas was a thum (county) of
Baitadi-Dadeldhura district. Baitadi-Dadeldhura district was divided into two sub-districts. Baitadi and Dadeldhura. Byas was one of eight county (thum) of Baitadi sub-district. It became part of
Darchula District in 1962 when four counties of Baitadi sub-district separately formed a new district. ==Ward Division==