Companies that get federal grants or loans usually sign a legally binding agreement and depend on getting reimbursed. The new administration has upended that expectation.

Agencies continue to suspend funding, despite multiple court orders blocking the federal freeze. Experts say the Trump administration’s actions set the stage for challenges to Congress’ authority — and the limits of the presidency.

The Trump administration’s effort to cut back on federal funding for the National Institute of Health for research programs at universities and medical systems has been blocked nationwide.