A. Territory owned by the government of the United States, its instrumentalities, the state of New Mexico or a political subdivision of New Mexico, may be annexed to a municipality upon the consent of the authorized agent of the government of the United States, its instrumentalities, the state of New Mexico or a political subdivision of New Mexico.

B. Territory may be annexed to a municipality which would otherwise be eligible for annexation except for the interposition of territory owned by the government of the United States, its instrumentalities, the state of New Mexico or a political subdivision of New Mexico.