Group 1 - The article discusses Trump's preparation for a backup plan regarding tariffs in case the Supreme Court rules against his current tariff authority [2][4][5] - The U.S. government is exploring options under Trade Act Sections 301 and 122, which grant the president unilateral power to impose tariffs, although these options may face legal challenges and have limitations [4][6][9] - Analysts expect that if the Supreme Court ruling is unfavorable, Trump's team will quickly reinstate tariffs similar to previous policies [7][10] Group 2 - The average actual tariff rate on U.S. imports is approximately 14.4%, with over half of these tariffs imposed under the International Emergency Economic Powers Act (IEEPA) [8] - If the Supreme Court rules against Trump, the government may have to refund over $88 billion in tariffs already collected [10] - The article mentions that Trump's recent executive order modified tariffs on Brazilian goods, maintaining a 40% tariff on some products while eliminating additional tariffs on specific agricultural imports [12][13][14][15]