Because the bill would establish a new offense, the federal government would be able to pursue cases that it otherwise would not be able to prosecute. CBO expects that S. 1421 would apply to a relatively small number of offenders, however, so any increase in costs for law enforcement, court proceedings, or prison operations would not be significant and would be subject to the availability of appropriated funds.
... those prosecuted and convicted under S. 1421 could be subject to criminal fines, the federal government might collect additional revenues if the legislation is enacted.
Read full at CBO