; (5) for the payment of metered charges on copying equipment provided by the Office of the Sergeant at Arms and Doorkeeper, United States Senate; (6) for the payment of Senate Recording and Photographic Services; or (7) for the payment of franked and mass mail costs by the Office of the Sergeant at Arms and Doorkeeper, United States Senate. 5. There are authorized such sums as may be necessary for agency contributions related to the compensation of employees of the committee from March 1, 2017, through September 30, 2017, October 1, 2017, through September 30, 2018, and October 1, 2018, through February 28, 2019.