[us Treasury Secretary Yellen reiterates that the US Treasury may run out of cash as soon as June 1] Treasury Secretary Yellen reiterated that the US Treasury could run out of cash as soon as June 1. Ms Yellen said a debt ceiling deal was "possible". A clearer timeline of fiscal funding will soon be provided to Congress. Efforts continue to be made to reach a bipartisan debt ceiling deal. Yellen declined to specify possible or impossible actions in the future.