SINGAPORE, June 7 -- The United States' evolving tariff regime remains in flux and it will take time before the full picture becomes clear, said Singapore's Foreign Minister Dr Vivian Balakrishnan, following a five-day official visit to Washington.

Speaking to The Straits Times, among other Singapore media, via Zoom today, Dr Balakrishnan said ongoing revisions, legal challenges and a likely series of bilateral negotiations with different trade partners mean the eventual shape of American tariffs is still being worked out.

His meetings with senior US officials, senators and members of Congress revealed bipartisan agreement in the US on the importance of trade, investment, intellectual property, reliability, and secure supply chains.

"T...