According to him, cited by RIA Novosti, negotiations are being conducted by the White House on behalf of the President's national security adviser Jake Sullivan.
Kirby added that Sullivan was negotiating with Congress "this week."
Earlier, CNN, citing the US State Department, reported that the United States would provide Ukraine with $53 million to support the country's electricity supply system.
On November 23, US President Joe Biden ordered $400 million in military aid to Ukraine.