The State Department began a visa bond pilot program last year, which applied to nationals of the 50 countries listed below.World Cup fans may remember this as the reason that Vozinha's mom initially couldn't get a visa to see her son play (she couldn't afford to pay the bond). pic.twitter.com/zbomtyLPmq

US to make visa bond requirements permanent, affecting mostly African countries

The formal announcement is expected on Monday, coinciding with the program's permanent implementation

The United States is making a visa bond programme permanent that could require certain visitors to pay up to $20,000 before being granted entry for business or tourism.