The State Department is proposing requiring applicants for business and tourist visas to post a bond of up to $15,000 to enter the United States, a move that may make the process unaffordable for many.
source https://www.ndtv.com/world-news/visa-applicants-may-need-to-post-bond-of-up-to-15-000-to-enter-us-9019309#publisher=newsstand
source https://www.ndtv.com/world-news/visa-applicants-may-need-to-post-bond-of-up-to-15-000-to-enter-us-9019309#publisher=newsstand