This story is available exclusively to Business Insider subscribers. The United States Chamber of Commerce sued the Trump administration on Thursday over the new $100,000 fee for H-1B visas. It also argues that the executive order is unlawful because it "blatantly contravenes the fees Congress has set for the H-1B program." The move from Trump substantially increased the fee for H-1B visas — a key program US employers rely on to hire workers abroad. The H-1B visa has become essential to the US tech and research industries, but other sectors, including healthcare and education, have come to rely on the program.