The governor and lieutenant governor of the Northern Marianas are due to be sworn in today.
The CNMI's senators, representatives, and the mayors of Saipan, Tinian, Rota, and the Northern Islands will also be sworn into office.
The Governor Eloy Inos and his running mate in the November elections, Ralph Torres, will be inaugurated in front of hundreds at Saipan's centre of government, Capitol Hill.
The CNMI's 19th Legislature composed of 20 representatives and nine senators, will also be sworn in next door.
Eloy Inos is the territory's seventh governor and his first term after taking over from Benigno Fitial who resigned.
Among the dignitaries expected to attend the governor's swearing in ceremony are Palau's President Tommy Remengesau and the Governor of Guam Edward Calvo.