FedEx is pledging to return any tariff costs it charged to customers if the Trump administration refunds the delivery company for the levies. "If refunds are issued to FedEx, we will issue refunds to the shippers and consumers who originally bore those charges," FedEx said in a statement on Thursday. "When that will happen and the exact process for requesting and issuing refunds will depend in part on future guidance from the government and the court."FedEx said it will reimburse customers days after it filed a lawsuit with the U.S. Court of International Trade demanding that the Trump administration offer a "full refund" of all payments the company made under a set of tariff policies that were ruled illegal by the Supreme Court. "We are committed to transparency and will communicate clearly as additional direction becomes available from the U.S. government and the court," FedEx added.The high court's Feb.…