N.D. Cent. Code § 44-04-04
Whenever any person convicted of a felony or adjudged mentally ill is committed to the custody of the department of corrections and rehabilitation, a county jail, or to any other county institution that is supported wholly or in part by public funds, the warden, superintendent, sheriff, or other officer in charge shall inquire immediately into the nationality of that person, and, if it appears that that person is an alien, immediately shall notify the United States immigration officer in charge of the district in which that person is located, of the date of and the reason for the commitment, the length of time for which the alien was committed, the country of which the alien is a citizen, and the date on, and the port at, which the alien last entered the United States.
N.D.C.C. § 44-04-04