; (2) Amtrak should pay an allocated portion of those operating and capital costs incurred at Chicago Union Station for Amtrak’s and Metra’s joint benefit; and (3) Metra shall not make payment to operate outside of the glass doors. 3. Secretary verification One hundred eighty (180) days after the date of enactment of this Act, the Secretary shall notify the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives with respect to whether Amtrak has complied with section 2 of this Act. 4. Penalty for failure to comply If the Secretary notifies the relevant committees, as required by section 3 of this Act, that Amtrak has failed to comply with section 2 of this Act, the Secretary shall withhold 5 percent of the unobligated balance of funds for Amtrak made available by Public Law 116–94 or by any law providing appropriations that is enacted subsequent to the date of enactment of such Act until the Secretary has notified the relevant committees that Amtrak is in compliance with this Act. 5. Definitions The following definitions shall apply in this Act: (a) Secretary In this Act, Secretary shall mean the Secretary of Transportation. (b) National Passenger Rail Corporation (Amtrak) Amtrak means the entity established in section 301 of Public Law 91–518 . (c) Chicago Union Station Chicago Union Station means the passenger train station located at 225 South Canal Street, Chicago, Illinois 60606, and its associated facilities. (d) Metra Metra means the Northeast Illinois Regional Commuter Railroad Corporation. (e) Operational Control Operational Control shall mean the definition established in section 2(b).