Commonwealth Constitution : Article XXII
OFFICIAL SEAL, FLAG AND LANGUAGES
Section 1: Official Seal. The official seal of the Commonwealth shall consist of a circular field of blue having in its center a white star superimposed on a gray latte stone, surrounded by the traditional Carolinian mwáár consisting of the following flowers: langilang, flores mayo (seyúr) angagha, and teibwo, on the outer border, and the words encircling the mwáár, "Commonwealth of the Northern Mariana Islands" and "Official Seal".
Section 2: Official Flag. The official flag of the Commonwealth shall consist, on both sides of a rectangular field of blue, a white star in the center, superimposed on a gray latte stone, surrounded by the traditional Carolinian mwáár. The dimensions of the flag, the mwáár, the star and latte stone shall be provided by law.
Section 3: Official Language. The official language of the Commonwealth shall be Chamorro, Carolinian and English, as deemed appropriate and as enforced by the legislature. The legislature may provide that government proceedings and documents shall be in at least one of the three languages. This section shall not be subject to judicial review.