Democratic Senator Chris Van Hollen of Maryland requested the GAO take a look, and now that the finding is out,
"Faithful execution of the law does not permit the President to substitute his own policy priorities for those that Congress has enacted into law," a GAO opinion said. "OMB withheld funds for a policy reason, which is not permitted under the Impoundment Control Act (ICA). The withholding was not a programmatic delay. Therefore, we conclude that OMB violated the ICA."