Creates rules to reduce courthouse construction costs by restricting when the General Services Administration (GSA) can begin building new courthouses, requiring courts to share courtroom space according to minimum rules for different judge types, and updating the U.S. Courts Design Guide. If new courthouse capacity is added, existing courthouse space must be reused or removed from GSA inventory to avoid duplicative space.

Implements administrative steps to encourage reuse and shared use of courtroom space, update design standards, and limit new construction unless needed under the new requirements; the text does not appropriate new funding or specify an effective date.