; (2) following a change to the nonimmigrant’s primary field of study as described under section 504, that the new primary field of study would have triggered a higher level of scrutiny during the visa application process, and that the visa holder poses a risk to the homeland security of the United States, the national security of the United States, or research integrity at their applicable program sponsor or institution; (3) the visa holder’s enrollment in a research program funded in whole or in part through a grant, contract, or other similar form of support provided by the Federal Government poses a risk to the homeland security of the United States, the national security of the United States, or research integrity at their applicable program sponsor or institution