Section 1 Admission of spouses of nationals and citizens of the United States as nonimmigrants
“(W) an alien who is the spouse of a national or citizen of the United States, and has been the spouse of such national or citizen for a period of not less than 180 days, or who is the child of such an alien and is accompanying, or following to join, the alien.”
“(s)
“(1) The period of authorized admission for an alien admitted to the United States as a nonimmigrant under section 101(a)(15)(W) shall be 180 days, which may be extended for one additional 180-day period.
“(2) The total number of principal aliens who may be admitted under section 101(a)(15)(W) during any fiscal year may not exceed 5,000.
“(3) The Secretary of Homeland Security, in consultation with the Secretary of State, shall establish a process to ensure the expedited admission to the United States of aliens under section 101(a)(15)(W).
“(4) An alien admitted under section 101(a)(15)(W) is not eligible for work authorization.”
“(n) Notwithstanding the provisions of this section, the Secretary of Homeland Security may not adjust the status of an alien admitted to the United States as a nonimmigrant under section 101(a)(15)(W) to that of an alien lawfully admitted for permanent residence.”