Washington has a big month ahead. Here are the key dates and topics you need to know

Trade Policy & Tariffs - The Supreme Court is reviewing tariffs related to the emergency powers act (IPA), potentially requiring the US to issue massive rebates if the tariffs are deemed illegal [3][4] - The US has collected slightly less than $100 billion from IEPA tariffs so far [5] - The administration has until October 14th to appeal to the Supreme Court, with a ruling potentially delayed until next summer, creating significant uncertainty [5] - The administration could use statutes 232 and 301 to reimpose reciprocal tariffs if IPA is struck down, but this would keep businesses in tariff limbo [6][7] Bond Market & Interest Rates - The bond market is reacting to expectations of reduced tariff revenue, potentially negatively impacting stocks and leading to higher interest rates [9] - S&P maintained the US credit rating last month largely due to increased tariff revenue, which was expected to offset negative fiscal impacts from the $34 trillion one big beautiful bill [10] Economic Impact - Potential refunds due to the Supreme Court ruling on tariffs and the uncertainty surrounding trade policy are key concerns for businesses [7]