The United Nations Secretariat is preparing to cut its $3.7 billion budget by 20% and slash about 6,900 jobs, according to an internal memo.

The directive, which asks staff to detail cuts by June 13, comes amid a financial crisis triggered in part by the United States, which annually funds nearly a quarter of the world body.

In addition to U.S. foreign aid cuts under U.S President Donald Trump that have gutted U.N. humanitarian agencies, the U.S. owes ¡ª for arrears and the current fiscal year ¡ª nearly $1.5 billion.