; and (B) any bonding requirements for nationals of some or all of those countries who may present an increased risk of overstays or other potential problems, if different from such requirements otherwise provided by law for nonimmigrant visitors. (4) Factors In determining whether to grant or continue providing the waiver under this subsection to nationals of any country, the Secretary of Homeland Security, in consultation with the Secretary of the Interior and the Secretary of State, shall consider all factors that the Secretary deems relevant, including electronic travel authorizations, procedures for reporting lost and stolen passports, repatriation of aliens, rates of refusal for nonimmigrant visitor visas, overstays, exit systems, and information exchange. (5) Suspension The Secretary of Homeland Security shall monitor the admission of nonimmigrant visitors to Guam and the Commonwealth of the Northern Mariana Islands, and the Virgin Islands of the United States, under this subsection. If the Secretary determines that such admissions have resulted in an unacceptable number of visitors from a country remaining unlawfully in Guam or the Commonwealth of the Northern Mariana Islands, or the Virgin Islands of the United States, unlawfully obtaining entry to other parts of the United States, or seeking withholding of removal or asylum, or that visitors from a country pose a risk to law enforcement or security interests of Guam or the Commonwealth of the Northern Mariana Islands, or of the Virgin Islands of the United States, or of the United States (including the interest in the enforcement of the immigration laws of the United States), the Secretary shall suspend the admission of nationals of such country under this subsection. The Secretary of Homeland Security may in the Secretary’s discretion suspend the Guam and Northern Mariana Islands visa waiver program, or the Virgin Islands visa waiver program, at any time, on a country-by-country basis, for other good cause. (6) Addition of countries The Governor of